1217181

素因数分解:

$3^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:548

約数の個数: 16

約数和(自身を含む): 1872000

約数和(自身を除く): 654819

約数列:

[1, 3, 7, 21, 149, 389, 447, 1043, 1167, 2723, 3129, 8169, 57961, 173883, 405727, 1217181]

約数ペア:

[(1, 1217181), (3, 405727), (7, 173883), (21, 57961), (149, 8169), (389, 3129), (447, 2723), (1043, 1167)]