181868981

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{79}}^2\times {\mathrm{181}}^1$

素因数の和:369

約数の個数: 24

約数和(自身を含む): 220881024

約数和(自身を除く): 39012043

約数列:

[1, 7, 23, 79, 161, 181, 553, 1267, 1817, 4163, 6241, 12719, 14299, 29141, 43687, 100093, 143543, 328877, 1004801, 1129621, 2302139, 7907347, 25981283, 181868981]

約数ペア:

[(1, 181868981), (7, 25981283), (23, 7907347), (79, 2302139), (161, 1129621), (181, 1004801), (553, 328877), (1267, 143543), (1817, 100093), (4163, 43687), (6241, 29141), (12719, 14299)]