168152481

素因数分解:

$3^2\times 7^1\times {\mathrm{223}}^1\times {\mathrm{11969}}^1$

素因数の和:12205

約数の個数: 24

約数和(自身を含む): 278853120

約数和(自身を除く): 110700639

約数列:

[1, 3, 7, 9, 21, 63, 223, 669, 1561, 2007, 4683, 11969, 14049, 35907, 83783, 107721, 251349, 754047, 2669087, 8007261, 18683609, 24021783, 56050827, 168152481]

約数ペア:

[(1, 168152481), (3, 56050827), (7, 24021783), (9, 18683609), (21, 8007261), (63, 2669087), (223, 754047), (669, 251349), (1561, 107721), (2007, 83783), (4683, 35907), (11969, 14049)]