78507723

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{227}}^1\times {\mathrm{383}}^1$

素因数の和:663

約数の個数: 32

約数和(自身を含む): 123273216

約数和(自身を除く): 44765493

約数列:

[1, 3, 7, 21, 43, 129, 227, 301, 383, 681, 903, 1149, 1589, 2681, 4767, 8043, 9761, 16469, 29283, 49407, 68327, 86941, 115283, 204981, 260823, 345849, 608587, 1825761, 3738463, 11215389, 26169241, 78507723]

約数ペア:

[(1, 78507723), (3, 26169241), (7, 11215389), (21, 3738463), (43, 1825761), (129, 608587), (227, 345849), (301, 260823), (383, 204981), (681, 115283), (903, 86941), (1149, 68327), (1589, 49407), (2681, 29283), (4767, 16469), (8043, 9761)]