496735491

素因数分解:

$3^1\times 7^2\times {\mathrm{163}}^1\times {\mathrm{20731}}^1$

素因数の和:20911

約数の個数: 24

約数和(自身を含む): 775210944

約数和(自身を除く): 278475453

約数列:

[1, 3, 7, 21, 49, 147, 163, 489, 1141, 3423, 7987, 20731, 23961, 62193, 145117, 435351, 1015819, 3047457, 3379153, 10137459, 23654071, 70962213, 165578497, 496735491]

約数ペア:

[(1, 496735491), (3, 165578497), (7, 70962213), (21, 23654071), (49, 10137459), (147, 3379153), (163, 3047457), (489, 1015819), (1141, 435351), (3423, 145117), (7987, 62193), (20731, 23961)]