40721715

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53231}}^1$

素因数の和:53259

約数の個数: 24

約数和(自身を含む): 74737728

約数和(自身を除く): 34016013

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 53231, 159693, 266155, 479079, 798465, 904927, 2395395, 2714781, 4524635, 8144343, 13573905, 40721715]

約数ペア:

[(1, 40721715), (3, 13573905), (5, 8144343), (9, 4524635), (15, 2714781), (17, 2395395), (45, 904927), (51, 798465), (85, 479079), (153, 266155), (255, 159693), (765, 53231)]