38642139

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 62899200

約数和(自身を除く): 24257061

約数列:

[1, 3, 9, 17, 23, 51, 69, 79, 139, 153, 207, 237, 391, 417, 711, 1173, 1251, 1343, 1817, 2363, 3197, 3519, 4029, 5451, 7089, 9591, 10981, 12087, 16353, 21267, 28773, 30889, 32943, 54349, 92667, 98829, 163047, 186677, 252563, 278001, 489141, 560031, 757689, 1680093, 2273067, 4293571, 12880713, 38642139]

約数ペア:

[(1, 38642139), (3, 12880713), (9, 4293571), (17, 2273067), (23, 1680093), (51, 757689), (69, 560031), (79, 489141), (139, 278001), (153, 252563), (207, 186677), (237, 163047), (391, 98829), (417, 92667), (711, 54349), (1173, 32943), (1251, 30889), (1343, 28773), (1817, 21267), (2363, 16353), (3197, 12087), (3519, 10981), (4029, 9591), (5451, 7089)]