8140125

素因数分解:

$3^1\times 5^3\times 7^2\times {\mathrm{443}}^1$

素因数の和:475

約数の個数: 48

約数和(自身を含む): 15792192

約数和(自身を除く): 7652067

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 175, 245, 375, 443, 525, 735, 875, 1225, 1329, 2215, 2625, 3101, 3675, 6125, 6645, 9303, 11075, 15505, 18375, 21707, 33225, 46515, 55375, 65121, 77525, 108535, 166125, 232575, 325605, 387625, 542675, 1162875, 1628025, 2713375, 8140125]

約数ペア:

[(1, 8140125), (3, 2713375), (5, 1628025), (7, 1162875), (15, 542675), (21, 387625), (25, 325605), (35, 232575), (49, 166125), (75, 108535), (105, 77525), (125, 65121), (147, 55375), (175, 46515), (245, 33225), (375, 21707), (443, 18375), (525, 15505), (735, 11075), (875, 9303), (1225, 6645), (1329, 6125), (2215, 3675), (2625, 3101)]