12956679

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{1553}}^1$

素因数の和:1668

約数の個数: 20

約数和(自身を含む): 19555536

約数和(自身を除く): 6598857

約数列:

[1, 3, 9, 27, 81, 103, 309, 927, 1553, 2781, 4659, 8343, 13977, 41931, 125793, 159959, 479877, 1439631, 4318893, 12956679]

約数ペア:

[(1, 12956679), (3, 4318893), (9, 1439631), (27, 479877), (81, 159959), (103, 125793), (309, 41931), (927, 13977), (1553, 8343), (2781, 4659)]