15331875

素因数分解:

$3^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 80

約数和(自身を含む): 29915424

約数和(自身を除く): 14583549

約数列:

[1, 3, 5, 13, 15, 17, 25, 37, 39, 51, 65, 75, 85, 111, 125, 185, 195, 221, 255, 325, 375, 425, 481, 555, 625, 629, 663, 925, 975, 1105, 1275, 1443, 1625, 1875, 1887, 2125, 2405, 2775, 3145, 3315, 4625, 4875, 5525, 6375, 7215, 8125, 8177, 9435, 10625, 12025, 13875, 15725, 16575, 23125, 24375, 24531, 27625, 31875, 36075, 40885, 47175, 60125, 69375, 78625, 82875, 122655, 138125, 180375, 204425, 235875, 300625, 393125, 414375, 613275, 901875, 1022125, 1179375, 3066375, 5110625, 15331875]

約数ペア:

[(1, 15331875), (3, 5110625), (5, 3066375), (13, 1179375), (15, 1022125), (17, 901875), (25, 613275), (37, 414375), (39, 393125), (51, 300625), (65, 235875), (75, 204425), (85, 180375), (111, 138125), (125, 122655), (185, 82875), (195, 78625), (221, 69375), (255, 60125), (325, 47175), (375, 40885), (425, 36075), (481, 31875), (555, 27625), (625, 24531), (629, 24375), (663, 23125), (925, 16575), (975, 15725), (1105, 13875), (1275, 12025), (1443, 10625), (1625, 9435), (1875, 8177), (1887, 8125), (2125, 7215), (2405, 6375), (2775, 5525), (3145, 4875), (3315, 4625)]