31377225

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{521}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 57478464

約数和(自身を除く): 26101239

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 73, 75, 165, 219, 275, 365, 521, 803, 825, 1095, 1563, 1825, 2409, 2605, 4015, 5475, 5731, 7815, 12045, 13025, 17193, 20075, 28655, 38033, 39075, 60225, 85965, 114099, 143275, 190165, 418363, 429825, 570495, 950825, 1255089, 2091815, 2852475, 6275445, 10459075, 31377225]

約数ペア:

[(1, 31377225), (3, 10459075), (5, 6275445), (11, 2852475), (15, 2091815), (25, 1255089), (33, 950825), (55, 570495), (73, 429825), (75, 418363), (165, 190165), (219, 143275), (275, 114099), (365, 85965), (521, 60225), (803, 39075), (825, 38033), (1095, 28655), (1563, 20075), (1825, 17193), (2409, 13025), (2605, 12045), (4015, 7815), (5475, 5731)]