2051250747

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{18371}}^1$

素因数の和:18803

約数の個数: 32

約数和(自身を含む): 3374568960

約数和(自身を除く): 1323318213

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 409, 1227, 2863, 5317, 8589, 15951, 18371, 37219, 55113, 111657, 128597, 238823, 385791, 716469, 1671761, 5015283, 7513739, 22541217, 52596173, 97678607, 157788519, 293035821, 683750249, 2051250747]

約数ペア:

[(1, 2051250747), (3, 683750249), (7, 293035821), (13, 157788519), (21, 97678607), (39, 52596173), (91, 22541217), (273, 7513739), (409, 5015283), (1227, 1671761), (2863, 716469), (5317, 385791), (8589, 238823), (15951, 128597), (18371, 111657), (37219, 55113)]