666783

素因数分解:

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

素因数の和:199

約数の個数: 24

約数和(自身を含む): 1070160

約数和(自身を除く): 403377

約数列:

[1, 3, 9, 13, 39, 41, 117, 123, 139, 369, 417, 533, 1251, 1599, 1807, 4797, 5421, 5699, 16263, 17097, 51291, 74087, 222261, 666783]

約数ペア:

[(1, 666783), (3, 222261), (9, 74087), (13, 51291), (39, 17097), (41, 16263), (117, 5699), (123, 5421), (139, 4797), (369, 1807), (417, 1599), (533, 1251)]