78471819

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2053}}^1$

素因数の和:2227

約数の個数: 24

約数和(自身を含む): 117916032

約数和(自身を除く): 39444213

約数列:

[1, 3, 9, 31, 93, 137, 279, 411, 1233, 2053, 4247, 6159, 12741, 18477, 38223, 63643, 190929, 281261, 572787, 843783, 2531349, 8719091, 26157273, 78471819]

約数ペア:

[(1, 78471819), (3, 26157273), (9, 8719091), (31, 2531349), (93, 843783), (137, 572787), (279, 281261), (411, 190929), (1233, 63643), (2053, 38223), (4247, 18477), (6159, 12741)]