13213557

素因数分解:

$3^3\times 7^1\times {\mathrm{151}}^1\times {\mathrm{463}}^1$

素因数の和:630

約数の個数: 32

約数和(自身を含む): 22568960

約数和(自身を除く): 9355403

約数列:

[1, 3, 7, 9, 21, 27, 63, 151, 189, 453, 463, 1057, 1359, 1389, 3171, 3241, 4077, 4167, 9513, 9723, 12501, 28539, 29169, 69913, 87507, 209739, 489391, 629217, 1468173, 1887651, 4404519, 13213557]

約数ペア:

[(1, 13213557), (3, 4404519), (7, 1887651), (9, 1468173), (21, 629217), (27, 489391), (63, 209739), (151, 87507), (189, 69913), (453, 29169), (463, 28539), (1057, 12501), (1359, 9723), (1389, 9513), (3171, 4167), (3241, 4077)]