40405005

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52817}}^1$

素因数の和:52845

約数の個数: 24

約数和(自身を含む): 74156472

約数和(自身を除く): 33751467

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 52817, 158451, 264085, 475353, 792255, 897889, 2376765, 2693667, 4489445, 8081001, 13468335, 40405005]

約数ペア:

[(1, 40405005), (3, 13468335), (5, 8081001), (9, 4489445), (15, 2693667), (17, 2376765), (45, 897889), (51, 792255), (85, 475353), (153, 264085), (255, 158451), (765, 52817)]