291245193405

素因数分解:

$3^3\times 5^1\times {\mathrm{2157371803}}^1$

素因数の和:2157371817

約数の個数: 16

約数和(自身を含む): 517769232960

約数和(自身を除く): 226524039555

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 2157371803, 6472115409, 10786859015, 19416346227, 32360577045, 58249038681, 97081731135, 291245193405]

約数ペア:

[(1, 291245193405), (3, 97081731135), (5, 58249038681), (9, 32360577045), (15, 19416346227), (27, 10786859015), (45, 6472115409), (135, 2157371803)]