220162905

素因数分解:

$3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{19037}}^1$

素因数の和:19305

約数の個数: 24

約数和(自身を含む): 383120712

約数和(自身を除く): 162957807

約数列:

[1, 3, 5, 9, 15, 45, 257, 771, 1285, 2313, 3855, 11565, 19037, 57111, 95185, 171333, 285555, 856665, 4892509, 14677527, 24462545, 44032581, 73387635, 220162905]

約数ペア:

[(1, 220162905), (3, 73387635), (5, 44032581), (9, 24462545), (15, 14677527), (45, 4892509), (257, 856665), (771, 285555), (1285, 171333), (2313, 95185), (3855, 57111), (11565, 19037)]