405492021

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{31751}}^1$

素因数の和:31814

約数の個数: 32

約数和(自身を含む): 670602240

約数和(自身を除く): 265110219

約数列:

[1, 3, 9, 11, 27, 33, 43, 99, 129, 297, 387, 473, 1161, 1419, 4257, 12771, 31751, 95253, 285759, 349261, 857277, 1047783, 1365293, 3143349, 4095879, 9430047, 12287637, 15018223, 36862911, 45054669, 135164007, 405492021]

約数ペア:

[(1, 405492021), (3, 135164007), (9, 45054669), (11, 36862911), (27, 15018223), (33, 12287637), (43, 9430047), (99, 4095879), (129, 3143349), (297, 1365293), (387, 1047783), (473, 857277), (1161, 349261), (1419, 285759), (4257, 95253), (12771, 31751)]