12940479

素因数分解:

$3^7\times {\mathrm{61}}^1\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 32

約数和(自身を含む): 19929280

約数和(自身を除く): 6988801

約数列:

[1, 3, 9, 27, 61, 81, 97, 183, 243, 291, 549, 729, 873, 1647, 2187, 2619, 4941, 5917, 7857, 14823, 17751, 23571, 44469, 53253, 70713, 133407, 159759, 212139, 479277, 1437831, 4313493, 12940479]

約数ペア:

[(1, 12940479), (3, 4313493), (9, 1437831), (27, 479277), (61, 212139), (81, 159759), (97, 133407), (183, 70713), (243, 53253), (291, 44469), (549, 23571), (729, 17751), (873, 14823), (1647, 7857), (2187, 5917), (2619, 4941)]