72878115

素因数分解:

$3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1\times {\mathrm{727}}^1$

素因数の和:939

約数の個数: 32

約数和(自身を含む): 120347136

約数和(自身を除く): 47469021

約数列:

[1, 3, 5, 15, 41, 123, 163, 205, 489, 615, 727, 815, 2181, 2445, 3635, 6683, 10905, 20049, 29807, 33415, 89421, 100245, 118501, 149035, 355503, 447105, 592505, 1777515, 4858541, 14575623, 24292705, 72878115]

約数ペア:

[(1, 72878115), (3, 24292705), (5, 14575623), (15, 4858541), (41, 1777515), (123, 592505), (163, 447105), (205, 355503), (489, 149035), (615, 118501), (727, 100245), (815, 89421), (2181, 33415), (2445, 29807), (3635, 20049), (6683, 10905)]