309581223

素因数分解:

$3^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:887

約数の個数: 32

約数和(自身を含む): 479055360

約数和(自身を除く): 169474137

約数列:

[1, 3, 7, 21, 97, 291, 379, 401, 679, 1137, 1203, 2037, 2653, 2807, 7959, 8421, 36763, 38897, 110289, 116691, 151979, 257341, 272279, 455937, 772023, 816837, 1063853, 3191559, 14741963, 44225889, 103193741, 309581223]

約数ペア:

[(1, 309581223), (3, 103193741), (7, 44225889), (21, 14741963), (97, 3191559), (291, 1063853), (379, 816837), (401, 772023), (679, 455937), (1137, 272279), (1203, 257341), (2037, 151979), (2653, 116691), (2807, 110289), (7959, 38897), (8421, 36763)]