156910221

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{78889}}^1$

素因数の和:78925

約数の個数: 24

約数和(自身を含む): 258443640

約数和(自身を除く): 101533419

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 78889, 236667, 710001, 1025557, 1341113, 3076671, 4023339, 9230013, 12070017, 17434469, 52303407, 156910221]

約数ペア:

[(1, 156910221), (3, 52303407), (9, 17434469), (13, 12070017), (17, 9230013), (39, 4023339), (51, 3076671), (117, 1341113), (153, 1025557), (221, 710001), (663, 236667), (1989, 78889)]