140420475

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{787}}^1$

素因数の和:877

約数の個数: 72

約数和(自身を含む): 275645552

約数和(自身を除く): 135225077

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 61, 65, 75, 117, 183, 195, 225, 305, 325, 549, 585, 787, 793, 915, 975, 1525, 2361, 2379, 2745, 2925, 3935, 3965, 4575, 7083, 7137, 10231, 11805, 11895, 13725, 19675, 19825, 30693, 35415, 35685, 48007, 51155, 59025, 59475, 92079, 144021, 153465, 177075, 178425, 240035, 255775, 432063, 460395, 624091, 720105, 767325, 1200175, 1872273, 2160315, 2301975, 3120455, 3600525, 5616819, 9361365, 10801575, 15602275, 28084095, 46806825, 140420475]

約数ペア:

[(1, 140420475), (3, 46806825), (5, 28084095), (9, 15602275), (13, 10801575), (15, 9361365), (25, 5616819), (39, 3600525), (45, 3120455), (61, 2301975), (65, 2160315), (75, 1872273), (117, 1200175), (183, 767325), (195, 720105), (225, 624091), (305, 460395), (325, 432063), (549, 255775), (585, 240035), (787, 178425), (793, 177075), (915, 153465), (975, 144021), (1525, 92079), (2361, 59475), (2379, 59025), (2745, 51155), (2925, 48007), (3935, 35685), (3965, 35415), (4575, 30693), (7083, 19825), (7137, 19675), (10231, 13725), (11805, 11895)]