221330753

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{27281}}^1$

素因数の和:27368

約数の個数: 16

約数和(自身を含む): 270637440

約数和(自身を除く): 49306687

約数列:

[1, 7, 19, 61, 133, 427, 1159, 8113, 27281, 190967, 518339, 1664141, 3628373, 11648987, 31618679, 221330753]

約数ペア:

[(1, 221330753), (7, 31618679), (19, 11648987), (61, 3628373), (133, 1664141), (427, 518339), (1159, 190967), (8113, 27281)]