2138721

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:137

約数の個数: 32

約数和(自身を含む): 3333120

約数和(自身を除く): 1194399

約数列:

[1, 3, 13, 29, 31, 39, 61, 87, 93, 183, 377, 403, 793, 899, 1131, 1209, 1769, 1891, 2379, 2697, 5307, 5673, 11687, 22997, 24583, 35061, 54839, 68991, 73749, 164517, 712907, 2138721]

約数ペア:

[(1, 2138721), (3, 712907), (13, 164517), (29, 73749), (31, 68991), (39, 54839), (61, 35061), (87, 24583), (93, 22997), (183, 11687), (377, 5673), (403, 5307), (793, 2697), (899, 2379), (1131, 1891), (1209, 1769)]