72129405

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{857}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 119927808

約数和(自身を除く): 47798403

約数列:

[1, 3, 5, 15, 31, 93, 155, 181, 465, 543, 857, 905, 2571, 2715, 4285, 5611, 12855, 16833, 26567, 28055, 79701, 84165, 132835, 155117, 398505, 465351, 775585, 2326755, 4808627, 14425881, 24043135, 72129405]

約数ペア:

[(1, 72129405), (3, 24043135), (5, 14425881), (15, 4808627), (31, 2326755), (93, 775585), (155, 465351), (181, 398505), (465, 155117), (543, 132835), (857, 84165), (905, 79701), (2571, 28055), (2715, 26567), (4285, 16833), (5611, 12855)]