9881985

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{131}}^1$

素因数の和:293

約数の個数: 32

約数和(自身を含む): 16422912

約数和(自身を除く): 6540927

約数列:

[1, 3, 5, 15, 47, 107, 131, 141, 235, 321, 393, 535, 655, 705, 1605, 1965, 5029, 6157, 14017, 15087, 18471, 25145, 30785, 42051, 70085, 75435, 92355, 210255, 658799, 1976397, 3293995, 9881985]

約数ペア:

[(1, 9881985), (3, 3293995), (5, 1976397), (15, 658799), (47, 210255), (107, 92355), (131, 75435), (141, 70085), (235, 42051), (321, 30785), (393, 25145), (535, 18471), (655, 15087), (705, 14017), (1605, 6157), (1965, 5029)]