222521691

素因数分解:

$3^1\times 7^2\times {\mathrm{491}}^1\times {\mathrm{3083}}^1$

素因数の和:3591

約数の個数: 24

約数和(自身を含む): 345950784

約数和(自身を除く): 123429093

約数列:

[1, 3, 7, 21, 49, 147, 491, 1473, 3083, 3437, 9249, 10311, 21581, 24059, 64743, 72177, 151067, 453201, 1513753, 4541259, 10596271, 31788813, 74173897, 222521691]

約数ペア:

[(1, 222521691), (3, 74173897), (7, 31788813), (21, 10596271), (49, 4541259), (147, 1513753), (491, 453201), (1473, 151067), (3083, 72177), (3437, 64743), (9249, 24059), (10311, 21581)]