12628521

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 19968000

約数和(自身を除く): 7339479

約数列:

[1, 3, 9, 19, 27, 57, 103, 171, 239, 309, 513, 717, 927, 1957, 2151, 2781, 4541, 5871, 6453, 13623, 17613, 24617, 40869, 52839, 73851, 122607, 221553, 467723, 664659, 1403169, 4209507, 12628521]

約数ペア:

[(1, 12628521), (3, 4209507), (9, 1403169), (19, 664659), (27, 467723), (57, 221553), (103, 122607), (171, 73851), (239, 52839), (309, 40869), (513, 24617), (717, 17613), (927, 13623), (1957, 6453), (2151, 5871), (2781, 4541)]