281013759

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{641}}^1\times {\mathrm{1249}}^1$

素因数の和:1912

約数の個数: 32

約数和(自身を含む): 449400000

約数和(自身を除く): 168386241

約数列:

[1, 3, 9, 13, 27, 39, 117, 351, 641, 1249, 1923, 3747, 5769, 8333, 11241, 16237, 17307, 24999, 33723, 48711, 74997, 146133, 224991, 438399, 800609, 2401827, 7205481, 10407917, 21616443, 31223751, 93671253, 281013759]

約数ペア:

[(1, 281013759), (3, 93671253), (9, 31223751), (13, 21616443), (27, 10407917), (39, 7205481), (117, 2401827), (351, 800609), (641, 438399), (1249, 224991), (1923, 146133), (3747, 74997), (5769, 48711), (8333, 33723), (11241, 24999), (16237, 17307)]