2256891

素因数分解:

$3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1181}}^1$

素因数の和:1211

約数の個数: 24

約数和(自身を含む): 3772944

約数和(自身を除く): 1516053

約数列:

[1, 3, 7, 13, 21, 39, 49, 91, 147, 273, 637, 1181, 1911, 3543, 8267, 15353, 24801, 46059, 57869, 107471, 173607, 322413, 752297, 2256891]

約数ペア:

[(1, 2256891), (3, 752297), (7, 322413), (13, 173607), (21, 107471), (39, 57869), (49, 46059), (91, 24801), (147, 15353), (273, 8267), (637, 3543), (1181, 1911)]