66675

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{127}}^1$

素因数の和:147

約数の個数: 24

約数和(自身を含む): 126976

約数和(自身を除く): 60301

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 75, 105, 127, 175, 381, 525, 635, 889, 1905, 2667, 3175, 4445, 9525, 13335, 22225, 66675]

約数ペア:

[(1, 66675), (3, 22225), (5, 13335), (7, 9525), (15, 4445), (21, 3175), (25, 2667), (35, 1905), (75, 889), (105, 635), (127, 525), (175, 381)]