31988475

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{8363}}^1$

素因数の和:8396

約数の個数: 36

約数和(自身を含む): 60672456

約数和(自身を除く): 28683981

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 153, 225, 255, 425, 765, 1275, 3825, 8363, 25089, 41815, 75267, 125445, 142171, 209075, 376335, 426513, 627225, 710855, 1279539, 1881675, 2132565, 3554275, 6397695, 10662825, 31988475]

約数ペア:

[(1, 31988475), (3, 10662825), (5, 6397695), (9, 3554275), (15, 2132565), (17, 1881675), (25, 1279539), (45, 710855), (51, 627225), (75, 426513), (85, 376335), (153, 209075), (225, 142171), (255, 125445), (425, 75267), (765, 41815), (1275, 25089), (3825, 8363)]