51295725

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:132

約数の個数: 108

約数和(自身を含む): 106198560

約数和(自身を除く): 54902835

約数列:

[1, 3, 5, 9, 13, 15, 19, 25, 39, 45, 57, 65, 71, 75, 95, 117, 169, 171, 195, 213, 225, 247, 285, 325, 355, 475, 507, 585, 639, 741, 845, 855, 923, 975, 1065, 1235, 1349, 1425, 1521, 1775, 2223, 2535, 2769, 2925, 3195, 3211, 3705, 4047, 4225, 4275, 4615, 5325, 6175, 6745, 7605, 8307, 9633, 11115, 11999, 12141, 12675, 13845, 15975, 16055, 17537, 18525, 20235, 23075, 28899, 33725, 35997, 38025, 41535, 48165, 52611, 55575, 59995, 60705, 69225, 80275, 87685, 101175, 107991, 144495, 157833, 179985, 207675, 227981, 240825, 263055, 299975, 303525, 438425, 539955, 683943, 722475, 789165, 899925, 1139905, 1315275, 2051829, 2699775, 3419715, 3945825, 5699525, 10259145, 17098575, 51295725]

約数ペア:

[(1, 51295725), (3, 17098575), (5, 10259145), (9, 5699525), (13, 3945825), (15, 3419715), (19, 2699775), (25, 2051829), (39, 1315275), (45, 1139905), (57, 899925), (65, 789165), (71, 722475), (75, 683943), (95, 539955), (117, 438425), (169, 303525), (171, 299975), (195, 263055), (213, 240825), (225, 227981), (247, 207675), (285, 179985), (325, 157833), (355, 144495), (475, 107991), (507, 101175), (585, 87685), (639, 80275), (741, 69225), (845, 60705), (855, 59995), (923, 55575), (975, 52611), (1065, 48165), (1235, 41535), (1349, 38025), (1425, 35997), (1521, 33725), (1775, 28899), (2223, 23075), (2535, 20235), (2769, 18525), (2925, 17537), (3195, 16055), (3211, 15975), (3705, 13845), (4047, 12675), (4225, 12141), (4275, 11999), (4615, 11115), (5325, 9633), (6175, 8307), (6745, 7605)]