81115605

素因数分解:

$3^2\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6701}}^1$

素因数の和:6981

約数の個数: 24

約数和(自身を含む): 141144120

約数和(自身を除く): 60028515

約数列:

[1, 3, 5, 9, 15, 45, 269, 807, 1345, 2421, 4035, 6701, 12105, 20103, 33505, 60309, 100515, 301545, 1802569, 5407707, 9012845, 16223121, 27038535, 81115605]

約数ペア:

[(1, 81115605), (3, 27038535), (5, 16223121), (9, 9012845), (15, 5407707), (45, 1802569), (269, 301545), (807, 100515), (1345, 60309), (2421, 33505), (4035, 20103), (6701, 12105)]