51221241

素因数分解:

$3^5\times {\mathrm{101}}^1\times {\mathrm{2087}}^1$

素因数の和:2203

約数の個数: 24

約数和(自身を含む): 77523264

約数和(自身を除く): 26302023

約数列:

[1, 3, 9, 27, 81, 101, 243, 303, 909, 2087, 2727, 6261, 8181, 18783, 24543, 56349, 169047, 210787, 507141, 632361, 1897083, 5691249, 17073747, 51221241]

約数ペア:

[(1, 51221241), (3, 17073747), (9, 5691249), (27, 1897083), (81, 632361), (101, 507141), (243, 210787), (303, 169047), (909, 56349), (2087, 24543), (2727, 18783), (6261, 8181)]