17198721

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:541

約数の個数: 24

約数和(自身を含む): 25718784

約数和(自身を除く): 8520063

約数列:

[1, 3, 9, 41, 123, 127, 367, 369, 381, 1101, 1143, 3303, 5207, 15047, 15621, 45141, 46609, 46863, 135423, 139827, 419481, 1910969, 5732907, 17198721]

約数ペア:

[(1, 17198721), (3, 5732907), (9, 1910969), (41, 419481), (123, 139827), (127, 135423), (367, 46863), (369, 46609), (381, 45141), (1101, 15621), (1143, 15047), (3303, 5207)]