12729981

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:369

約数の個数: 32

約数和(自身を含む): 19814400

約数和(自身を除く): 7084419

約数列:

[1, 3, 11, 19, 33, 57, 79, 209, 237, 257, 627, 771, 869, 1501, 2607, 2827, 4503, 4883, 8481, 14649, 16511, 20303, 49533, 53713, 60909, 161139, 223333, 385757, 669999, 1157271, 4243327, 12729981]

約数ペア:

[(1, 12729981), (3, 4243327), (11, 1157271), (19, 669999), (33, 385757), (57, 223333), (79, 161139), (209, 60909), (237, 53713), (257, 49533), (627, 20303), (771, 16511), (869, 14649), (1501, 8481), (2607, 4883), (2827, 4503)]