51420021

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{5443}}^1$

素因数の和:5560

約数の個数: 16

約数和(自身を含む): 71076864

約数和(自身を除く): 19656843

約数列:

[1, 3, 47, 67, 141, 201, 3149, 5443, 9447, 16329, 255821, 364681, 767463, 1094043, 17140007, 51420021]

約数ペア:

[(1, 51420021), (3, 17140007), (47, 1094043), (67, 767463), (141, 364681), (201, 255821), (3149, 16329), (5443, 9447)]