27890625

素因数分解:

$3^1\times 5^7\times 7^1\times {\mathrm{17}}^1$

素因数の和:62

約数の個数: 64

約数和(自身を含む): 56249856

約数和(自身を除く): 28359231

約数列:

[1, 3, 5, 7, 15, 17, 21, 25, 35, 51, 75, 85, 105, 119, 125, 175, 255, 357, 375, 425, 525, 595, 625, 875, 1275, 1785, 1875, 2125, 2625, 2975, 3125, 4375, 6375, 8925, 9375, 10625, 13125, 14875, 15625, 21875, 31875, 44625, 46875, 53125, 65625, 74375, 78125, 109375, 159375, 223125, 234375, 265625, 328125, 371875, 546875, 796875, 1115625, 1328125, 1640625, 1859375, 3984375, 5578125, 9296875, 27890625]

約数ペア:

[(1, 27890625), (3, 9296875), (5, 5578125), (7, 3984375), (15, 1859375), (17, 1640625), (21, 1328125), (25, 1115625), (35, 796875), (51, 546875), (75, 371875), (85, 328125), (105, 265625), (119, 234375), (125, 223125), (175, 159375), (255, 109375), (357, 78125), (375, 74375), (425, 65625), (525, 53125), (595, 46875), (625, 44625), (875, 31875), (1275, 21875), (1785, 15625), (1875, 14875), (2125, 13125), (2625, 10625), (2975, 9375), (3125, 8925), (4375, 6375)]