397066845

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{28433}}^1$

素因数の和:28474

約数の個数: 48

約数和(自身を含む): 777954240

約数和(自身を除く): 380887395

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 49, 57, 95, 105, 133, 147, 245, 285, 399, 665, 735, 931, 1995, 2793, 4655, 13965, 28433, 85299, 142165, 199031, 426495, 540227, 597093, 995155, 1393217, 1620681, 2701135, 2985465, 3781589, 4179651, 6966085, 8103405, 11344767, 18907945, 20898255, 26471123, 56723835, 79413369, 132355615, 397066845]

約数ペア:

[(1, 397066845), (3, 132355615), (5, 79413369), (7, 56723835), (15, 26471123), (19, 20898255), (21, 18907945), (35, 11344767), (49, 8103405), (57, 6966085), (95, 4179651), (105, 3781589), (133, 2985465), (147, 2701135), (245, 1620681), (285, 1393217), (399, 995155), (665, 597093), (735, 540227), (931, 426495), (1995, 199031), (2793, 142165), (4655, 85299), (13965, 28433)]