31137075

素因数分解:

$3^3\times 5^2\times {\mathrm{163}}^1\times {\mathrm{283}}^1$

素因数の和:465

約数の個数: 48

約数和(自身を含む): 57754240

約数和(自身を除く): 26617165

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 75, 135, 163, 225, 283, 489, 675, 815, 849, 1415, 1467, 2445, 2547, 4075, 4245, 4401, 7075, 7335, 7641, 12225, 12735, 21225, 22005, 36675, 38205, 46129, 63675, 110025, 138387, 191025, 230645, 415161, 691935, 1153225, 1245483, 2075805, 3459675, 6227415, 10379025, 31137075]

約数ペア:

[(1, 31137075), (3, 10379025), (5, 6227415), (9, 3459675), (15, 2075805), (25, 1245483), (27, 1153225), (45, 691935), (75, 415161), (135, 230645), (163, 191025), (225, 138387), (283, 110025), (489, 63675), (675, 46129), (815, 38205), (849, 36675), (1415, 22005), (1467, 21225), (2445, 12735), (2547, 12225), (4075, 7641), (4245, 7335), (4401, 7075)]