15542947

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{397}}^1$

素因数の和:475

約数の個数: 24

約数和(自身を含む): 19600704

約数和(自身を除く): 4057757

約数列:

[1, 7, 17, 47, 49, 119, 329, 397, 799, 833, 2303, 2779, 5593, 6749, 18659, 19453, 39151, 47243, 130613, 317203, 330701, 914291, 2220421, 15542947]

約数ペア:

[(1, 15542947), (7, 2220421), (17, 914291), (47, 330701), (49, 317203), (119, 130613), (329, 47243), (397, 39151), (799, 19453), (833, 18659), (2303, 6749), (2779, 5593)]