9979215075

素因数分解:

$3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{13291}}^1$

素因数の和:13425

約数の個数: 72

約数和(自身を含む): 18512672256

約数和(自身を除く): 8533457181

約数列:

[1, 3, 5, 9, 15, 25, 45, 47, 71, 75, 141, 213, 225, 235, 355, 423, 639, 705, 1065, 1175, 1775, 2115, 3195, 3337, 3525, 5325, 10011, 10575, 13291, 15975, 16685, 30033, 39873, 50055, 66455, 83425, 119619, 150165, 199365, 250275, 332275, 598095, 624677, 750825, 943661, 996825, 1874031, 2830983, 2990475, 3123385, 4718305, 5622093, 8492949, 9370155, 14154915, 15616925, 23591525, 28110465, 42464745, 44352067, 46850775, 70774575, 133056201, 140552325, 212323725, 221760335, 399168603, 665281005, 1108801675, 1995843015, 3326405025, 9979215075]

約数ペア:

[(1, 9979215075), (3, 3326405025), (5, 1995843015), (9, 1108801675), (15, 665281005), (25, 399168603), (45, 221760335), (47, 212323725), (71, 140552325), (75, 133056201), (141, 70774575), (213, 46850775), (225, 44352067), (235, 42464745), (355, 28110465), (423, 23591525), (639, 15616925), (705, 14154915), (1065, 9370155), (1175, 8492949), (1775, 5622093), (2115, 4718305), (3195, 3123385), (3337, 2990475), (3525, 2830983), (5325, 1874031), (10011, 996825), (10575, 943661), (13291, 750825), (15975, 624677), (16685, 598095), (30033, 332275), (39873, 250275), (50055, 199365), (66455, 150165), (83425, 119619)]