90391875

素因数分解:

$3^1\times 5^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:198

約数の個数: 80

約数和(自身を含む): 176343552

約数和(自身を除く): 85951677

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 97, 105, 125, 175, 213, 291, 355, 375, 485, 497, 525, 625, 679, 875, 1065, 1455, 1491, 1775, 1875, 2037, 2425, 2485, 2625, 3395, 4375, 5325, 6887, 7275, 7455, 8875, 10185, 12125, 12425, 13125, 16975, 20661, 26625, 34435, 36375, 37275, 44375, 48209, 50925, 60625, 62125, 84875, 103305, 133125, 144627, 172175, 181875, 186375, 241045, 254625, 310625, 424375, 516525, 723135, 860875, 931875, 1205225, 1273125, 2582625, 3615675, 4304375, 6026125, 12913125, 18078375, 30130625, 90391875]

約数ペア:

[(1, 90391875), (3, 30130625), (5, 18078375), (7, 12913125), (15, 6026125), (21, 4304375), (25, 3615675), (35, 2582625), (71, 1273125), (75, 1205225), (97, 931875), (105, 860875), (125, 723135), (175, 516525), (213, 424375), (291, 310625), (355, 254625), (375, 241045), (485, 186375), (497, 181875), (525, 172175), (625, 144627), (679, 133125), (875, 103305), (1065, 84875), (1455, 62125), (1491, 60625), (1775, 50925), (1875, 48209), (2037, 44375), (2425, 37275), (2485, 36375), (2625, 34435), (3395, 26625), (4375, 20661), (5325, 16975), (6887, 13125), (7275, 12425), (7455, 12125), (8875, 10185)]