28987365

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{15971}}^1$

素因数の和:16001

約数の個数: 24

約数和(自身を含む): 50982624

約数和(自身を除く): 21995259

約数列:

[1, 3, 5, 11, 15, 33, 55, 121, 165, 363, 605, 1815, 15971, 47913, 79855, 175681, 239565, 527043, 878405, 1932491, 2635215, 5797473, 9662455, 28987365]

約数ペア:

[(1, 28987365), (3, 9662455), (5, 5797473), (11, 2635215), (15, 1932491), (33, 878405), (55, 527043), (121, 239565), (165, 175681), (363, 79855), (605, 47913), (1815, 15971)]