128224251

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{397}}^1\times {\mathrm{2111}}^1$

素因数の和:2531

約数の個数: 24

約数和(自身を含む): 196694784

約数和(自身を除く): 68470533

約数列:

[1, 3, 9, 17, 51, 153, 397, 1191, 2111, 3573, 6333, 6749, 18999, 20247, 35887, 60741, 107661, 322983, 838067, 2514201, 7542603, 14247139, 42741417, 128224251]

約数ペア:

[(1, 128224251), (3, 42741417), (9, 14247139), (17, 7542603), (51, 2514201), (153, 838067), (397, 322983), (1191, 107661), (2111, 60741), (3573, 35887), (6333, 20247), (6749, 18999)]