27928537

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{557}}^1$

素因数の和:625

約数の個数: 32

約数和(自身を含む): 37497600

約数和(自身を除く): 9569063

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 551, 557, 1729, 2639, 3857, 3899, 7163, 7241, 10583, 16153, 50141, 50687, 74081, 113071, 137579, 209989, 306907, 963053, 1469923, 2148349, 3989791, 27928537]

約数ペア:

[(1, 27928537), (7, 3989791), (13, 2148349), (19, 1469923), (29, 963053), (91, 306907), (133, 209989), (203, 137579), (247, 113071), (377, 74081), (551, 50687), (557, 50141), (1729, 16153), (2639, 10583), (3857, 7241), (3899, 7163)]