287461197

素因数分解:

$3^3\times {\mathrm{523}}^1\times {\mathrm{20357}}^1$

素因数の和:20889

約数の個数: 16

約数和(自身を含む): 426703680

約数和(自身を除く): 139242483

約数列:

[1, 3, 9, 27, 523, 1569, 4707, 14121, 20357, 61071, 183213, 549639, 10646711, 31940133, 95820399, 287461197]

約数ペア:

[(1, 287461197), (3, 95820399), (9, 31940133), (27, 10646711), (523, 549639), (1569, 183213), (4707, 61071), (14121, 20357)]