68137875

素因数分解:

$3^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1553}}^1$

素因数の和:1590

約数の個数: 64

約数和(自身を含む): 135757440

約数和(自身を除く): 67619565

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 39, 45, 65, 75, 117, 125, 135, 195, 225, 325, 351, 375, 585, 675, 975, 1125, 1553, 1625, 1755, 2925, 3375, 4659, 4875, 7765, 8775, 13977, 14625, 20189, 23295, 38825, 41931, 43875, 60567, 69885, 100945, 116475, 181701, 194125, 209655, 302835, 349425, 504725, 545103, 582375, 908505, 1048275, 1514175, 1747125, 2523625, 2725515, 4542525, 5241375, 7570875, 13627575, 22712625, 68137875]

約数ペア:

[(1, 68137875), (3, 22712625), (5, 13627575), (9, 7570875), (13, 5241375), (15, 4542525), (25, 2725515), (27, 2523625), (39, 1747125), (45, 1514175), (65, 1048275), (75, 908505), (117, 582375), (125, 545103), (135, 504725), (195, 349425), (225, 302835), (325, 209655), (351, 194125), (375, 181701), (585, 116475), (675, 100945), (975, 69885), (1125, 60567), (1553, 43875), (1625, 41931), (1755, 38825), (2925, 23295), (3375, 20189), (4659, 14625), (4875, 13977), (7765, 8775)]