215140491

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{23833}}^1$

素因数の和:23915

約数の個数: 24

約数和(自身を含む): 334629360

約数和(自身を除く): 119488869

約数列:

[1, 3, 9, 17, 51, 59, 153, 177, 531, 1003, 3009, 9027, 23833, 71499, 214497, 405161, 1215483, 1406147, 3646449, 4218441, 12655323, 23904499, 71713497, 215140491]

約数ペア:

[(1, 215140491), (3, 71713497), (9, 23904499), (17, 12655323), (51, 4218441), (59, 3646449), (153, 1406147), (177, 1215483), (531, 405161), (1003, 214497), (3009, 71499), (9027, 23833)]