28252875

素因数分解:

$3^1\times 5^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:301

約数の個数: 64

約数和(自身を含む): 55111680

約数和(自身を除く): 26858805

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 47, 75, 105, 125, 141, 175, 229, 235, 329, 375, 525, 687, 705, 875, 987, 1145, 1175, 1603, 1645, 2625, 3435, 3525, 4809, 4935, 5725, 5875, 8015, 8225, 10763, 17175, 17625, 24045, 24675, 28625, 32289, 40075, 41125, 53815, 75341, 85875, 120225, 123375, 161445, 200375, 226023, 269075, 376705, 601125, 807225, 1130115, 1345375, 1883525, 4036125, 5650575, 9417625, 28252875]

約数ペア:

[(1, 28252875), (3, 9417625), (5, 5650575), (7, 4036125), (15, 1883525), (21, 1345375), (25, 1130115), (35, 807225), (47, 601125), (75, 376705), (105, 269075), (125, 226023), (141, 200375), (175, 161445), (229, 123375), (235, 120225), (329, 85875), (375, 75341), (525, 53815), (687, 41125), (705, 40075), (875, 32289), (987, 28625), (1145, 24675), (1175, 24045), (1603, 17625), (1645, 17175), (2625, 10763), (3435, 8225), (3525, 8015), (4809, 5875), (4935, 5725)]