28573911

素因数分解:

$3^3\times {\mathrm{449}}^1\times {\mathrm{2357}}^1$

素因数の和:2815

約数の個数: 16

約数和(自身を含む): 42444000

約数和(自身を除く): 13870089

約数列:

[1, 3, 9, 27, 449, 1347, 2357, 4041, 7071, 12123, 21213, 63639, 1058293, 3174879, 9524637, 28573911]

約数ペア:

[(1, 28573911), (3, 9524637), (9, 3174879), (27, 1058293), (449, 63639), (1347, 21213), (2357, 12123), (4041, 7071)]