81001125

素因数分解:

$3^2\times 5^3\times {\mathrm{89}}^1\times {\mathrm{809}}^1$

素因数の和:919

約数の個数: 48

約数和(自身を含む): 147841200

約数和(自身を除く): 66840075

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 89, 125, 225, 267, 375, 445, 801, 809, 1125, 1335, 2225, 2427, 4005, 4045, 6675, 7281, 11125, 12135, 20025, 20225, 33375, 36405, 60675, 72001, 100125, 101125, 182025, 216003, 303375, 360005, 648009, 910125, 1080015, 1800025, 3240045, 5400075, 9000125, 16200225, 27000375, 81001125]

約数ペア:

[(1, 81001125), (3, 27000375), (5, 16200225), (9, 9000125), (15, 5400075), (25, 3240045), (45, 1800025), (75, 1080015), (89, 910125), (125, 648009), (225, 360005), (267, 303375), (375, 216003), (445, 182025), (801, 101125), (809, 100125), (1125, 72001), (1335, 60675), (2225, 36405), (2427, 33375), (4005, 20225), (4045, 20025), (6675, 12135), (7281, 11125)]