272853

素因数分解:

$3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:145

約数の個数: 24

約数和(自身を含む): 464256

約数和(自身を除く): 191403

約数列:

[1, 3, 7, 9, 21, 61, 63, 71, 183, 213, 427, 497, 549, 639, 1281, 1491, 3843, 4331, 4473, 12993, 30317, 38979, 90951, 272853]

約数ペア:

[(1, 272853), (3, 90951), (7, 38979), (9, 30317), (21, 12993), (61, 4473), (63, 4331), (71, 3843), (183, 1491), (213, 1281), (427, 639), (497, 549)]