387942723

素因数分解:

$3^3\times 7^1\times {\mathrm{89}}^1\times {\mathrm{23063}}^1$

素因数の和:23168

約数の個数: 32

約数和(自身を含む): 664243200

約数和(自身を除く): 276300477

約数列:

[1, 3, 7, 9, 21, 27, 63, 89, 189, 267, 623, 801, 1869, 2403, 5607, 16821, 23063, 69189, 161441, 207567, 484323, 622701, 1452969, 2052607, 4358907, 6157821, 14368249, 18473463, 43104747, 55420389, 129314241, 387942723]

約数ペア:

[(1, 387942723), (3, 129314241), (7, 55420389), (9, 43104747), (21, 18473463), (27, 14368249), (63, 6157821), (89, 4358907), (189, 2052607), (267, 1452969), (623, 622701), (801, 484323), (1869, 207567), (2403, 161441), (5607, 69189), (16821, 23063)]