76787775

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{109}}^1$

素因数の和:257

約数の個数: 72

約数和(自身を含む): 144693120

約数和(自身を除く): 67905345

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 75, 93, 101, 109, 155, 225, 279, 303, 327, 465, 505, 545, 775, 909, 981, 1395, 1515, 1635, 2325, 2525, 2725, 3131, 3379, 4545, 4905, 6975, 7575, 8175, 9393, 10137, 11009, 15655, 16895, 22725, 24525, 28179, 30411, 33027, 46965, 50685, 55045, 78275, 84475, 99081, 140895, 152055, 165135, 234825, 253425, 275225, 341279, 495405, 704475, 760275, 825675, 1023837, 1706395, 2477025, 3071511, 5119185, 8531975, 15357555, 25595925, 76787775]

約数ペア:

[(1, 76787775), (3, 25595925), (5, 15357555), (9, 8531975), (15, 5119185), (25, 3071511), (31, 2477025), (45, 1706395), (75, 1023837), (93, 825675), (101, 760275), (109, 704475), (155, 495405), (225, 341279), (279, 275225), (303, 253425), (327, 234825), (465, 165135), (505, 152055), (545, 140895), (775, 99081), (909, 84475), (981, 78275), (1395, 55045), (1515, 50685), (1635, 46965), (2325, 33027), (2525, 30411), (2725, 28179), (3131, 24525), (3379, 22725), (4545, 16895), (4905, 15655), (6975, 11009), (7575, 10137), (8175, 9393)]