156937875

素因数分解:

$3^1\times 5^3\times {\mathrm{431}}^1\times {\mathrm{971}}^1$

素因数の和:1420

約数の個数: 32

約数和(自身を含む): 262020096

約数和(自身を除く): 105082221

約数列:

[1, 3, 5, 15, 25, 75, 125, 375, 431, 971, 1293, 2155, 2913, 4855, 6465, 10775, 14565, 24275, 32325, 53875, 72825, 121375, 161625, 364125, 418501, 1255503, 2092505, 6277515, 10462525, 31387575, 52312625, 156937875]

約数ペア:

[(1, 156937875), (3, 52312625), (5, 31387575), (15, 10462525), (25, 6277515), (75, 2092505), (125, 1255503), (375, 418501), (431, 364125), (971, 161625), (1293, 121375), (2155, 72825), (2913, 53875), (4855, 32325), (6465, 24275), (10775, 14565)]