72757575

素因数分解:

$3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:310

約数の個数: 96

約数和(自身を含む): 149990400

約数和(自身を除く): 77232825

約数列:

[1, 3, 5, 9, 11, 15, 25, 27, 33, 41, 45, 55, 75, 99, 123, 135, 165, 205, 225, 239, 275, 297, 369, 451, 495, 615, 675, 717, 825, 1025, 1107, 1195, 1353, 1485, 1845, 2151, 2255, 2475, 2629, 3075, 3585, 4059, 5535, 5975, 6453, 6765, 7425, 7887, 9225, 9799, 10755, 11275, 12177, 13145, 17925, 20295, 23661, 27675, 29397, 32265, 33825, 39435, 48995, 53775, 60885, 65725, 70983, 88191, 101475, 107789, 118305, 146985, 161325, 197175, 244975, 264573, 304425, 323367, 354915, 440955, 538945, 591525, 734925, 970101, 1322865, 1616835, 1774575, 2204775, 2694725, 2910303, 4850505, 6614325, 8084175, 14551515, 24252525, 72757575]

約数ペア:

[(1, 72757575), (3, 24252525), (5, 14551515), (9, 8084175), (11, 6614325), (15, 4850505), (25, 2910303), (27, 2694725), (33, 2204775), (41, 1774575), (45, 1616835), (55, 1322865), (75, 970101), (99, 734925), (123, 591525), (135, 538945), (165, 440955), (205, 354915), (225, 323367), (239, 304425), (275, 264573), (297, 244975), (369, 197175), (451, 161325), (495, 146985), (615, 118305), (675, 107789), (717, 101475), (825, 88191), (1025, 70983), (1107, 65725), (1195, 60885), (1353, 53775), (1485, 48995), (1845, 39435), (2151, 33825), (2255, 32265), (2475, 29397), (2629, 27675), (3075, 23661), (3585, 20295), (4059, 17925), (5535, 13145), (5975, 12177), (6453, 11275), (6765, 10755), (7425, 9799), (7887, 9225)]