4895163

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 8968960

約数和(自身を除く): 4073797

約数列:

[1, 3, 7, 9, 13, 21, 39, 43, 63, 91, 117, 129, 139, 273, 301, 387, 417, 559, 819, 903, 973, 1251, 1677, 1807, 2709, 2919, 3913, 5031, 5421, 5977, 8757, 11739, 12649, 16263, 17931, 35217, 37947, 41839, 53793, 77701, 113841, 125517, 233103, 376551, 543907, 699309, 1631721, 4895163]

約数ペア:

[(1, 4895163), (3, 1631721), (7, 699309), (9, 543907), (13, 376551), (21, 233103), (39, 125517), (43, 113841), (63, 77701), (91, 53793), (117, 41839), (129, 37947), (139, 35217), (273, 17931), (301, 16263), (387, 12649), (417, 11739), (559, 8757), (819, 5977), (903, 5421), (973, 5031), (1251, 3913), (1677, 2919), (1807, 2709)]