247287117

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{62971}}^1$

素因数の和:63009

約数の個数: 32

約数和(自身を含む): 435262464

約数和(自身を除く): 187975347

約数列:

[1, 3, 7, 11, 17, 21, 33, 51, 77, 119, 187, 231, 357, 561, 1309, 3927, 62971, 188913, 440797, 692681, 1070507, 1322391, 2078043, 3211521, 4848767, 7493549, 11775577, 14546301, 22480647, 35326731, 82429039, 247287117]

約数ペア:

[(1, 247287117), (3, 82429039), (7, 35326731), (11, 22480647), (17, 14546301), (21, 11775577), (33, 7493549), (51, 4848767), (77, 3211521), (119, 2078043), (187, 1322391), (231, 1070507), (357, 692681), (561, 440797), (1309, 188913), (3927, 62971)]