390901491

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1\times {\mathrm{227}}^1$

素因数の和:365

約数の個数: 64

約数和(自身を含む): 630374400

約数和(自身を除く): 239472909

約数列:

[1, 3, 9, 23, 27, 47, 59, 69, 141, 177, 207, 227, 423, 531, 621, 681, 1081, 1269, 1357, 1593, 2043, 2773, 3243, 4071, 5221, 6129, 8319, 9729, 10669, 12213, 13393, 15663, 24957, 29187, 32007, 36639, 40179, 46989, 63779, 74871, 96021, 120537, 140967, 191337, 245387, 288063, 308039, 361611, 574011, 629471, 736161, 924117, 1722033, 1888413, 2208483, 2772351, 5665239, 6625449, 8317053, 14477833, 16995717, 43433499, 130300497, 390901491]

約数ペア:

[(1, 390901491), (3, 130300497), (9, 43433499), (23, 16995717), (27, 14477833), (47, 8317053), (59, 6625449), (69, 5665239), (141, 2772351), (177, 2208483), (207, 1888413), (227, 1722033), (423, 924117), (531, 736161), (621, 629471), (681, 574011), (1081, 361611), (1269, 308039), (1357, 288063), (1593, 245387), (2043, 191337), (2773, 140967), (3243, 120537), (4071, 96021), (5221, 74871), (6129, 63779), (8319, 46989), (9729, 40179), (10669, 36639), (12213, 32007), (13393, 29187), (15663, 24957)]