289937079

素因数分解:

$3^2\times {\mathrm{31}}^1\times {\mathrm{523}}^1\times {\mathrm{1987}}^1$

素因数の和:2547

約数の個数: 24

約数和(自身を含む): 433352192

約数和(自身を除く): 143415113

約数列:

[1, 3, 9, 31, 93, 279, 523, 1569, 1987, 4707, 5961, 16213, 17883, 48639, 61597, 145917, 184791, 554373, 1039201, 3117603, 9352809, 32215231, 96645693, 289937079]

約数ペア:

[(1, 289937079), (3, 96645693), (9, 32215231), (31, 9352809), (93, 3117603), (279, 1039201), (523, 554373), (1569, 184791), (1987, 145917), (4707, 61597), (5961, 48639), (16213, 17883)]