16986918375

素因数分解:

$3^3\times 5^3\times 7^1\times {\mathrm{839}}^1\times {\mathrm{857}}^1$

素因数の和:1727

約数の個数: 128

約数和(自身を含む): 35978342400

約数和(自身を除く): 18991424025

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 35, 45, 63, 75, 105, 125, 135, 175, 189, 225, 315, 375, 525, 675, 839, 857, 875, 945, 1125, 1575, 2517, 2571, 2625, 3375, 4195, 4285, 4725, 5873, 5999, 7551, 7713, 7875, 12585, 12855, 17619, 17997, 20975, 21425, 22653, 23139, 23625, 29365, 29995, 37755, 38565, 52857, 53991, 62925, 64275, 88095, 89985, 104875, 107125, 113265, 115695, 146825, 149975, 158571, 161973, 188775, 192825, 264285, 269955, 314625, 321375, 440475, 449925, 566325, 578475, 719023, 734125, 749875, 792855, 809865, 943875, 964125, 1321425, 1349775, 2157069, 2202375, 2249625, 2831625, 2892375, 3595115, 3964275, 4049325, 5033161, 6471207, 6607125, 6748875, 10785345, 15099483, 17975575, 19413621, 19821375, 20246625, 25165805, 32356035, 45298449, 53926725, 75497415, 89877875, 97068105, 125829025, 135895347, 161780175, 226492245, 269633625, 377487075, 485340525, 629145125, 679476735, 808900875, 1132461225, 1887435375, 2426702625, 3397383675, 5662306125, 16986918375]

約数ペア:

[(1, 16986918375), (3, 5662306125), (5, 3397383675), (7, 2426702625), (9, 1887435375), (15, 1132461225), (21, 808900875), (25, 679476735), (27, 629145125), (35, 485340525), (45, 377487075), (63, 269633625), (75, 226492245), (105, 161780175), (125, 135895347), (135, 125829025), (175, 97068105), (189, 89877875), (225, 75497415), (315, 53926725), (375, 45298449), (525, 32356035), (675, 25165805), (839, 20246625), (857, 19821375), (875, 19413621), (945, 17975575), (1125, 15099483), (1575, 10785345), (2517, 6748875), (2571, 6607125), (2625, 6471207), (3375, 5033161), (4195, 4049325), (4285, 3964275), (4725, 3595115), (5873, 2892375), (5999, 2831625), (7551, 2249625), (7713, 2202375), (7875, 2157069), (12585, 1349775), (12855, 1321425), (17619, 964125), (17997, 943875), (20975, 809865), (21425, 792855), (22653, 749875), (23139, 734125), (23625, 719023), (29365, 578475), (29995, 566325), (37755, 449925), (38565, 440475), (52857, 321375), (53991, 314625), (62925, 269955), (64275, 264285), (88095, 192825), (89985, 188775), (104875, 161973), (107125, 158571), (113265, 149975), (115695, 146825)]