221310243

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{319351}}^1$

素因数の和:319375

約数の個数: 24

約数和(自身を含む): 398551296

約数和(自身を除く): 177241053

約数列:

[1, 3, 7, 9, 11, 21, 33, 63, 77, 99, 231, 693, 319351, 958053, 2235457, 2874159, 3512861, 6706371, 10538583, 20119113, 24590027, 31615749, 73770081, 221310243]

約数ペア:

[(1, 221310243), (3, 73770081), (7, 31615749), (9, 24590027), (11, 20119113), (21, 10538583), (33, 6706371), (63, 3512861), (77, 2874159), (99, 2235457), (231, 958053), (693, 319351)]