31081875

素因数分解:

$3^1\times 5^4\times {\mathrm{11}}^2\times {\mathrm{137}}^1$

素因数の和:182

約数の個数: 60

約数和(自身を含む): 57337896

約数和(自身を除く): 26256021

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 121, 125, 137, 165, 275, 363, 375, 411, 605, 625, 685, 825, 1375, 1507, 1815, 1875, 2055, 3025, 3425, 4125, 4521, 6875, 7535, 9075, 10275, 15125, 16577, 17125, 20625, 22605, 37675, 45375, 49731, 51375, 75625, 82885, 85625, 113025, 188375, 226875, 248655, 256875, 414425, 565125, 941875, 1243275, 2072125, 2825625, 6216375, 10360625, 31081875]

約数ペア:

[(1, 31081875), (3, 10360625), (5, 6216375), (11, 2825625), (15, 2072125), (25, 1243275), (33, 941875), (55, 565125), (75, 414425), (121, 256875), (125, 248655), (137, 226875), (165, 188375), (275, 113025), (363, 85625), (375, 82885), (411, 75625), (605, 51375), (625, 49731), (685, 45375), (825, 37675), (1375, 22605), (1507, 20625), (1815, 17125), (1875, 16577), (2055, 15125), (3025, 10275), (3425, 9075), (4125, 7535), (4521, 6875)]