421276609

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{443}}^1$

素因数の和:817

約数の個数: 24

約数和(自身を含む): 485561952

約数和(自身を除く): 64285343

約数列:

[1, 13, 17, 169, 221, 331, 443, 2873, 4303, 5627, 5759, 7531, 55939, 73151, 74867, 97903, 146633, 950963, 1272739, 1906229, 2492761, 24780977, 32405893, 421276609]

約数ペア:

[(1, 421276609), (13, 32405893), (17, 24780977), (169, 2492761), (221, 1906229), (331, 1272739), (443, 950963), (2873, 146633), (4303, 97903), (5627, 74867), (5759, 73151), (7531, 55939)]