28545315

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{2707}}^1$

素因数の和:2771

約数の個数: 32

約数和(自身を含む): 49393920

約数和(自身を除く): 20848605

約数列:

[1, 3, 5, 15, 19, 37, 57, 95, 111, 185, 285, 555, 703, 2109, 2707, 3515, 8121, 10545, 13535, 40605, 51433, 100159, 154299, 257165, 300477, 500795, 771495, 1502385, 1903021, 5709063, 9515105, 28545315]

約数ペア:

[(1, 28545315), (3, 9515105), (5, 5709063), (15, 1903021), (19, 1502385), (37, 771495), (57, 500795), (95, 300477), (111, 257165), (185, 154299), (285, 100159), (555, 51433), (703, 40605), (2109, 13535), (2707, 10545), (3515, 8121)]