280959471

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 448156800

約数和(自身を除く): 167197329

約数列:

[1, 3, 9, 13, 39, 79, 113, 117, 237, 269, 339, 711, 807, 1017, 1027, 1469, 2421, 3081, 3497, 4407, 8927, 9243, 10491, 13221, 21251, 26781, 30397, 31473, 63753, 80343, 91191, 116051, 191259, 273573, 276263, 348153, 395161, 828789, 1044459, 1185483, 2401363, 2486367, 3556449, 7204089, 21612267, 31217719, 93653157, 280959471]

約数ペア:

[(1, 280959471), (3, 93653157), (9, 31217719), (13, 21612267), (39, 7204089), (79, 3556449), (113, 2486367), (117, 2401363), (237, 1185483), (269, 1044459), (339, 828789), (711, 395161), (807, 348153), (1017, 276263), (1027, 273573), (1469, 191259), (2421, 116051), (3081, 91191), (3497, 80343), (4407, 63753), (8927, 31473), (9243, 30397), (10491, 26781), (13221, 21251)]