6390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{71}}^1$

素因数の和:84

約数の個数: 24

約数和(自身を含む): 16848

約数和(自身を除く): 10458

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 71, 90, 142, 213, 355, 426, 639, 710, 1065, 1278, 2130, 3195, 6390]

約数ペア:

[(1, 6390), (2, 3195), (3, 2130), (5, 1278), (6, 1065), (9, 710), (10, 639), (15, 426), (18, 355), (30, 213), (45, 142), (71, 90)]