199012011

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{419}}^1$

素因数の和:859

約数の個数: 32

約数和(自身を含む): 298771200

約数和(自身を除く): 99759189

約数列:

[1, 3, 11, 33, 37, 111, 389, 407, 419, 1167, 1221, 1257, 4279, 4609, 12837, 13827, 14393, 15503, 43179, 46509, 158323, 162991, 170533, 474969, 488973, 511599, 1792901, 5378703, 6030667, 18092001, 66337337, 199012011]

約数ペア:

[(1, 199012011), (3, 66337337), (11, 18092001), (33, 6030667), (37, 5378703), (111, 1792901), (389, 511599), (407, 488973), (419, 474969), (1167, 170533), (1221, 162991), (1257, 158323), (4279, 46509), (4609, 43179), (12837, 15503), (13827, 14393)]