247993647

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{1031}}^1$

素因数の和:1279

約数の個数: 32

約数和(自身を含む): 372708864

約数和(自身を除く): 124715217

約数列:

[1, 3, 11, 33, 37, 111, 197, 407, 591, 1031, 1221, 2167, 3093, 6501, 7289, 11341, 21867, 34023, 38147, 80179, 114441, 203107, 240537, 419617, 609321, 1258851, 2234177, 6702531, 7514959, 22544877, 82664549, 247993647]

約数ペア:

[(1, 247993647), (3, 82664549), (11, 22544877), (33, 7514959), (37, 6702531), (111, 2234177), (197, 1258851), (407, 609321), (591, 419617), (1031, 240537), (1221, 203107), (2167, 114441), (3093, 80179), (6501, 38147), (7289, 34023), (11341, 21867)]