16908129

素因数分解:

$3^3\times 7^1\times {\mathrm{137}}^1\times {\mathrm{653}}^1$

素因数の和:806

約数の個数: 32

約数和(自身を含む): 28880640

約数和(自身を除く): 11972511

約数列:

[1, 3, 7, 9, 21, 27, 63, 137, 189, 411, 653, 959, 1233, 1959, 2877, 3699, 4571, 5877, 8631, 13713, 17631, 25893, 41139, 89461, 123417, 268383, 626227, 805149, 1878681, 2415447, 5636043, 16908129]

約数ペア:

[(1, 16908129), (3, 5636043), (7, 2415447), (9, 1878681), (21, 805149), (27, 626227), (63, 268383), (137, 123417), (189, 89461), (411, 41139), (653, 25893), (959, 17631), (1233, 13713), (1959, 8631), (2877, 5877), (3699, 4571)]