12668877

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{139}}^1$

素因数の和:218

約数の個数: 48

約数和(自身を含む): 21403200

約数和(自身を除く): 8734323

約数列:

[1, 3, 9, 13, 19, 39, 41, 57, 117, 123, 139, 171, 247, 369, 417, 533, 741, 779, 1251, 1599, 1807, 2223, 2337, 2641, 4797, 5421, 5699, 7011, 7923, 10127, 16263, 17097, 23769, 30381, 34333, 51291, 74087, 91143, 102999, 108281, 222261, 308997, 324843, 666783, 974529, 1407653, 4222959, 12668877]

約数ペア:

[(1, 12668877), (3, 4222959), (9, 1407653), (13, 974529), (19, 666783), (39, 324843), (41, 308997), (57, 222261), (117, 108281), (123, 102999), (139, 91143), (171, 74087), (247, 51291), (369, 34333), (417, 30381), (533, 23769), (741, 17097), (779, 16263), (1251, 10127), (1599, 7923), (1807, 7011), (2223, 5699), (2337, 5421), (2641, 4797)]