8979495

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1$

素因数の和:684

約数の個数: 48

約数和(自身を含む): 17619840

約数和(自身を除く): 8640345

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 643, 665, 735, 931, 1929, 1995, 2793, 3215, 4501, 4655, 9645, 12217, 13503, 13965, 22505, 31507, 36651, 61085, 67515, 85519, 94521, 157535, 183255, 256557, 427595, 472605, 598633, 1282785, 1795899, 2993165, 8979495]

約数ペア:

[(1, 8979495), (3, 2993165), (5, 1795899), (7, 1282785), (15, 598633), (19, 472605), (21, 427595), (35, 256557), (49, 183255), (57, 157535), (95, 94521), (105, 85519), (133, 67515), (147, 61085), (245, 36651), (285, 31507), (399, 22505), (643, 13965), (665, 13503), (735, 12217), (931, 9645), (1929, 4655), (1995, 4501), (2793, 3215)]