12865527

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{809}}^1$

素因数の和:868

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 7870473

約数列:

[1, 3, 9, 19, 27, 31, 57, 93, 171, 279, 513, 589, 809, 837, 1767, 2427, 5301, 7281, 15371, 15903, 21843, 25079, 46113, 75237, 138339, 225711, 415017, 476501, 677133, 1429503, 4288509, 12865527]

約数ペア:

[(1, 12865527), (3, 4288509), (9, 1429503), (19, 677133), (27, 476501), (31, 415017), (57, 225711), (93, 138339), (171, 75237), (279, 46113), (513, 25079), (589, 21843), (809, 15903), (837, 15371), (1767, 7281), (2427, 5301)]