206586405

素因数分解:

$3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{241}}^1\times {\mathrm{443}}^1$

素因数の和:738

約数の個数: 48

約数和(自身を含む): 368761536

約数和(自身を除く): 162175131

約数列:

[1, 3, 5, 9, 15, 43, 45, 129, 215, 241, 387, 443, 645, 723, 1205, 1329, 1935, 2169, 2215, 3615, 3987, 6645, 10363, 10845, 19049, 19935, 31089, 51815, 57147, 93267, 95245, 106763, 155445, 171441, 285735, 320289, 466335, 533815, 857205, 960867, 1601445, 4590809, 4804335, 13772427, 22954045, 41317281, 68862135, 206586405]

約数ペア:

[(1, 206586405), (3, 68862135), (5, 41317281), (9, 22954045), (15, 13772427), (43, 4804335), (45, 4590809), (129, 1601445), (215, 960867), (241, 857205), (387, 533815), (443, 466335), (645, 320289), (723, 285735), (1205, 171441), (1329, 155445), (1935, 106763), (2169, 95245), (2215, 93267), (3615, 57147), (3987, 51815), (6645, 31089), (10363, 19935), (10845, 19049)]