4990995

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{563}}^1$

素因数の和:771

約数の個数: 24

約数和(自身を含む): 8710416

約数和(自身を除く): 3719421

約数列:

[1, 3, 5, 9, 15, 45, 197, 563, 591, 985, 1689, 1773, 2815, 2955, 5067, 8445, 8865, 25335, 110911, 332733, 554555, 998199, 1663665, 4990995]

約数ペア:

[(1, 4990995), (3, 1663665), (5, 998199), (9, 554555), (15, 332733), (45, 110911), (197, 25335), (563, 8865), (591, 8445), (985, 5067), (1689, 2955), (1773, 2815)]