51200325

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:315

約数の個数: 72

約数和(自身を含む): 101439936

約数和(自身を除く): 50239611

約数列:

[1, 3, 5, 9, 11, 15, 25, 33, 45, 55, 75, 99, 137, 151, 165, 225, 275, 411, 453, 495, 685, 755, 825, 1233, 1359, 1507, 1661, 2055, 2265, 2475, 3425, 3775, 4521, 4983, 6165, 6795, 7535, 8305, 10275, 11325, 13563, 14949, 20687, 22605, 24915, 30825, 33975, 37675, 41525, 62061, 67815, 74745, 103435, 113025, 124575, 186183, 227557, 310305, 339075, 373725, 517175, 682671, 930915, 1137785, 1551525, 2048013, 3413355, 4654575, 5688925, 10240065, 17066775, 51200325]

約数ペア:

[(1, 51200325), (3, 17066775), (5, 10240065), (9, 5688925), (11, 4654575), (15, 3413355), (25, 2048013), (33, 1551525), (45, 1137785), (55, 930915), (75, 682671), (99, 517175), (137, 373725), (151, 339075), (165, 310305), (225, 227557), (275, 186183), (411, 124575), (453, 113025), (495, 103435), (685, 74745), (755, 67815), (825, 62061), (1233, 41525), (1359, 37675), (1507, 33975), (1661, 30825), (2055, 24915), (2265, 22605), (2475, 20687), (3425, 14949), (3775, 13563), (4521, 11325), (4983, 10275), (6165, 8305), (6795, 7535)]