1211385

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 2257920

約数和(自身を除く): 1046535

約数列:

[1, 3, 5, 7, 15, 21, 35, 83, 105, 139, 249, 415, 417, 581, 695, 973, 1245, 1743, 2085, 2905, 2919, 4865, 8715, 11537, 14595, 34611, 57685, 80759, 173055, 242277, 403795, 1211385]

約数ペア:

[(1, 1211385), (3, 403795), (5, 242277), (7, 173055), (15, 80759), (21, 57685), (35, 34611), (83, 14595), (105, 11537), (139, 8715), (249, 4865), (415, 2919), (417, 2905), (581, 2085), (695, 1743), (973, 1245)]