28570875

素因数分解:

$3^1\times 5^3\times {\mathrm{61}}^1\times {\mathrm{1249}}^1$

素因数の和:1328

約数の個数: 32

約数和(自身を含む): 48360000

約数和(自身を除く): 19789125

約数列:

[1, 3, 5, 15, 25, 61, 75, 125, 183, 305, 375, 915, 1249, 1525, 3747, 4575, 6245, 7625, 18735, 22875, 31225, 76189, 93675, 156125, 228567, 380945, 468375, 1142835, 1904725, 5714175, 9523625, 28570875]

約数ペア:

[(1, 28570875), (3, 9523625), (5, 5714175), (15, 1904725), (25, 1142835), (61, 468375), (75, 380945), (125, 228567), (183, 156125), (305, 93675), (375, 76189), (915, 31225), (1249, 22875), (1525, 18735), (3747, 7625), (4575, 6245)]