157021263

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{233}}^1\times {\mathrm{563}}^1$

素因数の和:828

約数の個数: 48

約数和(自身を含む): 274510080

約数和(自身を除く): 117488817

約数列:

[1, 3, 7, 9, 19, 21, 57, 63, 133, 171, 233, 399, 563, 699, 1197, 1631, 1689, 2097, 3941, 4427, 4893, 5067, 10697, 11823, 13281, 14679, 30989, 32091, 35469, 39843, 74879, 92967, 96273, 131179, 224637, 278901, 393537, 673911, 918253, 1180611, 2492401, 2754759, 7477203, 8264277, 17446807, 22431609, 52340421, 157021263]

約数ペア:

[(1, 157021263), (3, 52340421), (7, 22431609), (9, 17446807), (19, 8264277), (21, 7477203), (57, 2754759), (63, 2492401), (133, 1180611), (171, 918253), (233, 673911), (399, 393537), (563, 278901), (699, 224637), (1197, 131179), (1631, 96273), (1689, 92967), (2097, 74879), (3941, 39843), (4427, 35469), (4893, 32091), (5067, 30989), (10697, 14679), (11823, 13281)]