221625243

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{206933}}^1$

素因数の和:206963

約数の個数: 24

約数和(自身を含む): 387380448

約数和(自身を除く): 165755205

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 206933, 620799, 1448531, 1862397, 3517861, 4345593, 10553583, 13036779, 24625027, 31660749, 73875081, 221625243]

約数ペア:

[(1, 221625243), (3, 73875081), (7, 31660749), (9, 24625027), (17, 13036779), (21, 10553583), (51, 4345593), (63, 3517861), (119, 1862397), (153, 1448531), (357, 620799), (1071, 206933)]