1290015

素因数分解:

$3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{263}}^1$

素因数の和:383

約数の個数: 24

約数和(自身を含む): 2265120

約数和(自身を除く): 975105

約数列:

[1, 3, 5, 9, 15, 45, 109, 263, 327, 545, 789, 981, 1315, 1635, 2367, 3945, 4905, 11835, 28667, 86001, 143335, 258003, 430005, 1290015]

約数ペア:

[(1, 1290015), (3, 430005), (5, 258003), (9, 143335), (15, 86001), (45, 28667), (109, 11835), (263, 4905), (327, 3945), (545, 2367), (789, 1635), (981, 1315)]