28547655

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:451

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 18497145

約数列:

[1, 3, 5, 15, 53, 149, 159, 241, 265, 447, 723, 745, 795, 1205, 2235, 3615, 7897, 12773, 23691, 35909, 38319, 39485, 63865, 107727, 118455, 179545, 191595, 538635, 1903177, 5709531, 9515885, 28547655]

約数ペア:

[(1, 28547655), (3, 9515885), (5, 5709531), (15, 1903177), (53, 538635), (149, 191595), (159, 179545), (241, 118455), (265, 107727), (447, 63865), (723, 39485), (745, 38319), (795, 35909), (1205, 23691), (2235, 12773), (3615, 7897)]