68909967

素因数分解:

$3^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2447}}^1$

素因数の和:2612

約数の個数: 32

約数和(自身を含む): 117504000

約数和(自身を除く): 48594033

約数列:

[1, 3, 7, 9, 21, 27, 63, 149, 189, 447, 1043, 1341, 2447, 3129, 4023, 7341, 9387, 17129, 22023, 28161, 51387, 66069, 154161, 364603, 462483, 1093809, 2552221, 3281427, 7656663, 9844281, 22969989, 68909967]

約数ペア:

[(1, 68909967), (3, 22969989), (7, 9844281), (9, 7656663), (21, 3281427), (27, 2552221), (63, 1093809), (149, 462483), (189, 364603), (447, 154161), (1043, 66069), (1341, 51387), (2447, 28161), (3129, 22023), (4023, 17129), (7341, 9387)]