1621000665

素因数分解:

$3^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{479}}^2$

素因数の和:1126

約数の個数: 36

約数和(自身を含む): 2833546404

約数和(自身を除く): 1212545739

約数列:

[1, 3, 5, 9, 15, 45, 157, 471, 479, 785, 1413, 1437, 2355, 2395, 4311, 7065, 7185, 21555, 75203, 225609, 229441, 376015, 676827, 688323, 1128045, 1147205, 2064969, 3384135, 3441615, 10324845, 36022237, 108066711, 180111185, 324200133, 540333555, 1621000665]

約数ペア:

[(1, 1621000665), (3, 540333555), (5, 324200133), (9, 180111185), (15, 108066711), (45, 36022237), (157, 10324845), (471, 3441615), (479, 3384135), (785, 2064969), (1413, 1147205), (1437, 1128045), (2355, 688323), (2395, 676827), (4311, 376015), (7065, 229441), (7185, 225609), (21555, 75203)]