81852405

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{691}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 134524800

約数和(自身を除く): 52672395

約数列:

[1, 3, 5, 15, 53, 149, 159, 265, 447, 691, 745, 795, 2073, 2235, 3455, 7897, 10365, 23691, 36623, 39485, 102959, 109869, 118455, 183115, 308877, 514795, 549345, 1544385, 5456827, 16370481, 27284135, 81852405]

約数ペア:

[(1, 81852405), (3, 27284135), (5, 16370481), (15, 5456827), (53, 1544385), (149, 549345), (159, 514795), (265, 308877), (447, 183115), (691, 118455), (745, 109869), (795, 102959), (2073, 39485), (2235, 36623), (3455, 23691), (7897, 10365)]