998127

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{449}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 1638000

約数和(自身を除く): 639873

約数列:

[1, 3, 9, 13, 19, 39, 57, 117, 171, 247, 449, 741, 1347, 2223, 4041, 5837, 8531, 17511, 25593, 52533, 76779, 110903, 332709, 998127]

約数ペア:

[(1, 998127), (3, 332709), (9, 110903), (13, 76779), (19, 52533), (39, 25593), (57, 17511), (117, 8531), (171, 5837), (247, 4041), (449, 2223), (741, 1347)]