27880721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1123}}^1$

素因数の和:1232

約数の個数: 16

約数和(自身を含む): 31777728

約数和(自身を除く): 3897007

約数列:

[1, 11, 37, 61, 407, 671, 1123, 2257, 12353, 24827, 41551, 68503, 457061, 753533, 2534611, 27880721]

約数ペア:

[(1, 27880721), (11, 2534611), (37, 753533), (61, 457061), (407, 68503), (671, 41551), (1123, 24827), (2257, 12353)]