81088125

素因数分解:

$3^1\times 5^4\times {\mathrm{59}}^1\times {\mathrm{733}}^1$

素因数の和:815

約数の個数: 40

約数和(自身を含む): 137580960

約数和(自身を除く): 56492835

約数列:

[1, 3, 5, 15, 25, 59, 75, 125, 177, 295, 375, 625, 733, 885, 1475, 1875, 2199, 3665, 4425, 7375, 10995, 18325, 22125, 36875, 43247, 54975, 91625, 110625, 129741, 216235, 274875, 458125, 648705, 1081175, 1374375, 3243525, 5405875, 16217625, 27029375, 81088125]

約数ペア:

[(1, 81088125), (3, 27029375), (5, 16217625), (15, 5405875), (25, 3243525), (59, 1374375), (75, 1081175), (125, 648705), (177, 458125), (295, 274875), (375, 216235), (625, 129741), (733, 110625), (885, 91625), (1475, 54975), (1875, 43247), (2199, 36875), (3665, 22125), (4425, 18325), (7375, 10995)]