395481879

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{26203}}^1$

素因数の和:26268

約数の個数: 32

約数和(自身を含む): 645666560

約数和(自身を除く): 250184681

約数列:

[1, 3, 9, 13, 27, 39, 43, 117, 129, 351, 387, 559, 1161, 1677, 5031, 15093, 26203, 78609, 235827, 340639, 707481, 1021917, 1126729, 3065751, 3380187, 9197253, 10140561, 14647477, 30421683, 43942431, 131827293, 395481879]

約数ペア:

[(1, 395481879), (3, 131827293), (9, 43942431), (13, 30421683), (27, 14647477), (39, 10140561), (43, 9197253), (117, 3380187), (129, 3065751), (351, 1126729), (387, 1021917), (559, 707481), (1161, 340639), (1677, 235827), (5031, 78609), (15093, 26203)]