281615313

素因数分解:

$3^1\times 7^1\times {\mathrm{89}}^2\times {\mathrm{1693}}^1$

素因数の和:1881

約数の個数: 24

約数和(自身を含む): 434260288

約数和(自身を除く): 152644975

約数列:

[1, 3, 7, 21, 89, 267, 623, 1693, 1869, 5079, 7921, 11851, 23763, 35553, 55447, 150677, 166341, 452031, 1054739, 3164217, 13410253, 40230759, 93871771, 281615313]

約数ペア:

[(1, 281615313), (3, 93871771), (7, 40230759), (21, 13410253), (89, 3164217), (267, 1054739), (623, 452031), (1693, 166341), (1869, 150677), (5079, 55447), (7921, 35553), (11851, 23763)]