66873471

素因数分解:

$3^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1\times {\mathrm{719}}^1$

素因数の和:875

約数の個数: 32

約数和(自身を含む): 105431040

約数和(自身を除く): 38557569

約数列:

[1, 3, 7, 21, 43, 103, 129, 301, 309, 719, 721, 903, 2157, 2163, 4429, 5033, 13287, 15099, 30917, 31003, 74057, 92751, 93009, 216419, 222171, 518399, 649257, 1555197, 3184451, 9553353, 22291157, 66873471]

約数ペア:

[(1, 66873471), (3, 22291157), (7, 9553353), (21, 3184451), (43, 1555197), (103, 649257), (129, 518399), (301, 222171), (309, 216419), (719, 93009), (721, 92751), (903, 74057), (2157, 31003), (2163, 30917), (4429, 15099), (5033, 13287)]