28088025

素因数分解:

$3^1\times 5^2\times 7^2\times {\mathrm{7643}}^1$

素因数の和:7670

約数の個数: 36

約数和(自身を含む): 54027792

約数和(自身を除く): 25939767

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 147, 175, 245, 525, 735, 1225, 3675, 7643, 22929, 38215, 53501, 114645, 160503, 191075, 267505, 374507, 573225, 802515, 1123521, 1337525, 1872535, 4012575, 5617605, 9362675, 28088025]

約数ペア:

[(1, 28088025), (3, 9362675), (5, 5617605), (7, 4012575), (15, 1872535), (21, 1337525), (25, 1123521), (35, 802515), (49, 573225), (75, 374507), (105, 267505), (147, 191075), (175, 160503), (245, 114645), (525, 53501), (735, 38215), (1225, 22929), (3675, 7643)]