31928403

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{241}}^1$

素因数の和:379

約数の個数: 32

約数和(自身を含む): 47703040

約数和(自身を除く): 15774637

約数列:

[1, 3, 13, 39, 43, 79, 129, 237, 241, 559, 723, 1027, 1677, 3081, 3133, 3397, 9399, 10191, 10363, 19039, 31089, 44161, 57117, 132483, 134719, 247507, 404157, 742521, 818677, 2456031, 10642801, 31928403]

約数ペア:

[(1, 31928403), (3, 10642801), (13, 2456031), (39, 818677), (43, 742521), (79, 404157), (129, 247507), (237, 134719), (241, 132483), (559, 57117), (723, 44161), (1027, 31089), (1677, 19039), (3081, 10363), (3133, 10191), (3397, 9399)]