12915155

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{727}}^1$

素因数の和:779

約数の個数: 32

約数和(自身を含む): 18869760

約数和(自身を除く): 5954605

約数列:

[1, 5, 11, 17, 19, 55, 85, 95, 187, 209, 323, 727, 935, 1045, 1615, 3553, 3635, 7997, 12359, 13813, 17765, 39985, 61795, 69065, 135949, 151943, 234821, 679745, 759715, 1174105, 2583031, 12915155]

約数ペア:

[(1, 12915155), (5, 2583031), (11, 1174105), (17, 759715), (19, 679745), (55, 234821), (85, 151943), (95, 135949), (187, 69065), (209, 61795), (323, 39985), (727, 17765), (935, 13813), (1045, 12359), (1615, 7997), (3553, 3635)]