213646869

素因数分解:

$3^3\times {\mathrm{53}}^1\times {\mathrm{173}}^1\times {\mathrm{863}}^1$

素因数の和:1098

約数の個数: 32

約数和(自身を含む): 324725760

約数和(自身を除く): 111078891

約数列:

[1, 3, 9, 27, 53, 159, 173, 477, 519, 863, 1431, 1557, 2589, 4671, 7767, 9169, 23301, 27507, 45739, 82521, 137217, 149299, 247563, 411651, 447897, 1234953, 1343691, 4031073, 7912847, 23738541, 71215623, 213646869]

約数ペア:

[(1, 213646869), (3, 71215623), (9, 23738541), (27, 7912847), (53, 4031073), (159, 1343691), (173, 1234953), (477, 447897), (519, 411651), (863, 247563), (1431, 149299), (1557, 137217), (2589, 82521), (4671, 45739), (7767, 27507), (9169, 23301)]