331397157

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{1213909}}^1$

素因数の和:1213932

約数の個数: 16

約数和(自身を含む): 543831680

約数和(自身を除く): 212434523

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 1213909, 3641727, 8497363, 15780817, 25492089, 47342451, 110465719, 331397157]

約数ペア:

[(1, 331397157), (3, 110465719), (7, 47342451), (13, 25492089), (21, 15780817), (39, 8497363), (91, 3641727), (273, 1213909)]