80131815

素因数分解:

$3^3\times 5^1\times {\mathrm{691}}^1\times {\mathrm{859}}^1$

素因数の和:1564

約数の個数: 32

約数和(自身を含む): 142828800

約数和(自身を除く): 62696985

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 691, 859, 2073, 2577, 3455, 4295, 6219, 7731, 10365, 12885, 18657, 23193, 31095, 38655, 93285, 115965, 593569, 1780707, 2967845, 5342121, 8903535, 16026363, 26710605, 80131815]

約数ペア:

[(1, 80131815), (3, 26710605), (5, 16026363), (9, 8903535), (15, 5342121), (27, 2967845), (45, 1780707), (135, 593569), (691, 115965), (859, 93285), (2073, 38655), (2577, 31095), (3455, 23193), (4295, 18657), (6219, 12885), (7731, 10365)]