28996815

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{6689}}^1$

素因数の和:6731

約数の個数: 24

約数和(自身を含む): 49291920

約数和(自身を除く): 20295105

約数列:

[1, 3, 5, 15, 17, 51, 85, 255, 289, 867, 1445, 4335, 6689, 20067, 33445, 100335, 113713, 341139, 568565, 1705695, 1933121, 5799363, 9665605, 28996815]

約数ペア:

[(1, 28996815), (3, 9665605), (5, 5799363), (15, 1933121), (17, 1705695), (51, 568565), (85, 341139), (255, 113713), (289, 100335), (867, 33445), (1445, 20067), (4335, 6689)]