820206

素因数分解:

$2^1\times 3^4\times {\mathrm{61}}^1\times {\mathrm{83}}^1$

素因数の和:158

約数の個数: 40

約数和(自身を含む): 1890504

約数和(自身を除く): 1070298

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 61, 81, 83, 122, 162, 166, 183, 249, 366, 498, 549, 747, 1098, 1494, 1647, 2241, 3294, 4482, 4941, 5063, 6723, 9882, 10126, 13446, 15189, 30378, 45567, 91134, 136701, 273402, 410103, 820206]

約数ペア:

[(1, 820206), (2, 410103), (3, 273402), (6, 136701), (9, 91134), (18, 45567), (27, 30378), (54, 15189), (61, 13446), (81, 10126), (83, 9882), (122, 6723), (162, 5063), (166, 4941), (183, 4482), (249, 3294), (366, 2241), (498, 1647), (549, 1494), (747, 1098)]