281379839

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{101}}^1\times {\mathrm{223}}^1$

素因数の和:399

約数の個数: 24

約数和(自身を含む): 317632896

約数和(自身を除く): 36253057

約数列:

[1, 13, 31, 101, 223, 403, 961, 1313, 2899, 3131, 6913, 12493, 22523, 40703, 89869, 97061, 214303, 292799, 698213, 1261793, 2785939, 9076769, 21644603, 281379839]

約数ペア:

[(1, 281379839), (13, 21644603), (31, 9076769), (101, 2785939), (223, 1261793), (403, 698213), (961, 292799), (1313, 214303), (2899, 97061), (3131, 89869), (6913, 40703), (12493, 22523)]