81089475

素因数分解:

$3^1\times 5^2\times {\mathrm{263}}^1\times {\mathrm{4111}}^1$

素因数の和:4387

約数の個数: 24

約数和(自身を含む): 134610432

約数和(自身を除く): 53520957

約数列:

[1, 3, 5, 15, 25, 75, 263, 789, 1315, 3945, 4111, 6575, 12333, 19725, 20555, 61665, 102775, 308325, 1081193, 3243579, 5405965, 16217895, 27029825, 81089475]

約数ペア:

[(1, 81089475), (3, 27029825), (5, 16217895), (15, 5405965), (25, 3243579), (75, 1081193), (263, 308325), (789, 102775), (1315, 61665), (3945, 20555), (4111, 19725), (6575, 12333)]