28213845

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1693}}^1$

素因数の和:1813

約数の個数: 32

約数和(自身を含む): 49762944

約数和(自身を除く): 21549099

約数列:

[1, 3, 5, 11, 15, 33, 55, 101, 165, 303, 505, 1111, 1515, 1693, 3333, 5079, 5555, 8465, 16665, 18623, 25395, 55869, 93115, 170993, 279345, 512979, 854965, 1880923, 2564895, 5642769, 9404615, 28213845]

約数ペア:

[(1, 28213845), (3, 9404615), (5, 5642769), (11, 2564895), (15, 1880923), (33, 854965), (55, 512979), (101, 279345), (165, 170993), (303, 93115), (505, 55869), (1111, 25395), (1515, 18623), (1693, 16665), (3333, 8465), (5079, 5555)]