249309345

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1\times {\mathrm{691}}^1$

素因数の和:1125

約数の個数: 32

約数和(自身を含む): 406563840

約数和(自身を除く): 157254495

約数列:

[1, 3, 5, 15, 67, 201, 335, 359, 691, 1005, 1077, 1795, 2073, 3455, 5385, 10365, 24053, 46297, 72159, 120265, 138891, 231485, 248069, 360795, 694455, 744207, 1240345, 3721035, 16620623, 49861869, 83103115, 249309345]

約数ペア:

[(1, 249309345), (3, 83103115), (5, 49861869), (15, 16620623), (67, 3721035), (201, 1240345), (335, 744207), (359, 694455), (691, 360795), (1005, 248069), (1077, 231485), (1795, 138891), (2073, 120265), (3455, 72159), (5385, 46297), (10365, 24053)]