201431331

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{353}}^1$

素因数の和:496

約数の個数: 48

約数和(自身を含む): 318090240

約数和(自身を除く): 116658909

約数列:

[1, 3, 9, 19, 47, 57, 71, 141, 171, 213, 353, 423, 639, 893, 1059, 1349, 2679, 3177, 3337, 4047, 6707, 8037, 10011, 12141, 16591, 20121, 25063, 30033, 49773, 60363, 63403, 75189, 149319, 190209, 225567, 315229, 476197, 570627, 945687, 1177961, 1428591, 2837061, 3533883, 4285773, 10601649, 22381259, 67143777, 201431331]

約数ペア:

[(1, 201431331), (3, 67143777), (9, 22381259), (19, 10601649), (47, 4285773), (57, 3533883), (71, 2837061), (141, 1428591), (171, 1177961), (213, 945687), (353, 570627), (423, 476197), (639, 315229), (893, 225567), (1059, 190209), (1349, 149319), (2679, 75189), (3177, 63403), (3337, 60363), (4047, 49773), (6707, 30033), (8037, 25063), (10011, 20121), (12141, 16591)]