221793

素因数分解:

$3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1$

素因数の和:85

約数の個数: 24

約数和(自身を含む): 357504

約数和(自身を除く): 135711

約数列:

[1, 3, 11, 13, 33, 39, 47, 121, 141, 143, 363, 429, 517, 611, 1551, 1573, 1833, 4719, 5687, 6721, 17061, 20163, 73931, 221793]

約数ペア:

[(1, 221793), (3, 73931), (11, 20163), (13, 17061), (33, 6721), (39, 5687), (47, 4719), (121, 1833), (141, 1573), (143, 1551), (363, 611), (429, 517)]