4991259

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1$

素因数の和:459

約数の個数: 32

約数和(自身を含む): 8386560

約数和(自身を除く): 3395301

約数列:

[1, 3, 7, 13, 21, 39, 47, 91, 141, 273, 329, 389, 611, 987, 1167, 1833, 2723, 4277, 5057, 8169, 12831, 15171, 18283, 35399, 54849, 106197, 127981, 237679, 383943, 713037, 1663753, 4991259]

約数ペア:

[(1, 4991259), (3, 1663753), (7, 713037), (13, 383943), (21, 237679), (39, 127981), (47, 106197), (91, 54849), (141, 35399), (273, 18283), (329, 15171), (389, 12831), (611, 8169), (987, 5057), (1167, 4277), (1833, 2723)]