389333721

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{4597}}^1$

素因数の和:4753

約数の個数: 32

約数和(自身を含む): 615028480

約数和(自身を除く): 225694759

約数列:

[1, 3, 7, 21, 37, 109, 111, 259, 327, 763, 777, 2289, 4033, 4597, 12099, 13791, 28231, 32179, 84693, 96537, 170089, 501073, 510267, 1190623, 1503219, 3507511, 3571869, 10522533, 18539701, 55619103, 129777907, 389333721]

約数ペア:

[(1, 389333721), (3, 129777907), (7, 55619103), (21, 18539701), (37, 10522533), (109, 3571869), (111, 3507511), (259, 1503219), (327, 1190623), (763, 510267), (777, 501073), (2289, 170089), (4033, 96537), (4597, 84693), (12099, 32179), (13791, 28231)]