8645427

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{307}}^1$

素因数の和:472

約数の個数: 32

約数和(自身を含む): 14784000

約数和(自身を除く): 6138573

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 307, 447, 921, 1043, 1341, 2149, 2763, 3129, 4023, 6447, 8289, 9387, 19341, 28161, 45743, 58023, 137229, 320201, 411687, 960603, 1235061, 2881809, 8645427]

約数ペア:

[(1, 8645427), (3, 2881809), (7, 1235061), (9, 960603), (21, 411687), (27, 320201), (63, 137229), (149, 58023), (189, 45743), (307, 28161), (447, 19341), (921, 9387), (1043, 8289), (1341, 6447), (2149, 4023), (2763, 3129)]