215328483

素因数分解:

$3^3\times {\mathrm{79}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:888

約数の個数: 32

約数和(自身を含む): 325606400

約数和(自身を除く): 110277917

約数列:

[1, 3, 9, 27, 79, 157, 237, 471, 643, 711, 1413, 1929, 2133, 4239, 5787, 12403, 17361, 37209, 50797, 100951, 111627, 152391, 302853, 334881, 457173, 908559, 1371519, 2725677, 7975129, 23925387, 71776161, 215328483]

約数ペア:

[(1, 215328483), (3, 71776161), (9, 23925387), (27, 7975129), (79, 2725677), (157, 1371519), (237, 908559), (471, 457173), (643, 334881), (711, 302853), (1413, 152391), (1929, 111627), (2133, 100951), (4239, 50797), (5787, 37209), (12403, 17361)]