81546225

素因数分解:

$3^1\times 5^2\times {\mathrm{211}}^1\times {\mathrm{5153}}^1$

素因数の和:5377

約数の個数: 24

約数和(自身を含む): 135488352

約数和(自身を除く): 53942127

約数列:

[1, 3, 5, 15, 25, 75, 211, 633, 1055, 3165, 5153, 5275, 15459, 15825, 25765, 77295, 128825, 386475, 1087283, 3261849, 5436415, 16309245, 27182075, 81546225]

約数ペア:

[(1, 81546225), (3, 27182075), (5, 16309245), (15, 5436415), (25, 3261849), (75, 1087283), (211, 386475), (633, 128825), (1055, 77295), (3165, 25765), (5153, 15825), (5275, 15459)]