221239343

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 266821632

約数和(自身を除く): 45582289

約数列:

[1, 13, 17, 31, 43, 221, 403, 527, 559, 731, 751, 1333, 6851, 9503, 9763, 12767, 17329, 22661, 23281, 32293, 165971, 294593, 302653, 395777, 419809, 548981, 1001083, 5145101, 7136753, 13014079, 17018411, 221239343]

約数ペア:

[(1, 221239343), (13, 17018411), (17, 13014079), (31, 7136753), (43, 5145101), (221, 1001083), (403, 548981), (527, 419809), (559, 395777), (731, 302653), (751, 294593), (1333, 165971), (6851, 32293), (9503, 23281), (9763, 22661), (12767, 17329)]