28292265

素因数分解:

$3^2\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1291}}^1$

素因数の和:1789

約数の個数: 24

約数和(自身を含む): 49178688

約数和(自身を除く): 20886423

約数列:

[1, 3, 5, 9, 15, 45, 487, 1291, 1461, 2435, 3873, 4383, 6455, 7305, 11619, 19365, 21915, 58095, 628717, 1886151, 3143585, 5658453, 9430755, 28292265]

約数ペア:

[(1, 28292265), (3, 9430755), (5, 5658453), (9, 3143585), (15, 1886151), (45, 628717), (487, 58095), (1291, 21915), (1461, 19365), (2435, 11619), (3873, 7305), (4383, 6455)]