225254617

素因数分解:

$7^4\times {\mathrm{23}}^1\times {\mathrm{4079}}^1$

素因数の和:4130

約数の個数: 20

約数和(自身を含む): 274273920

約数和(自身を除く): 49019303

約数列:

[1, 7, 23, 49, 161, 343, 1127, 2401, 4079, 7889, 28553, 55223, 93817, 199871, 656719, 1399097, 4597033, 9793679, 32179231, 225254617]

約数ペア:

[(1, 225254617), (7, 32179231), (23, 9793679), (49, 4597033), (161, 1399097), (343, 656719), (1127, 199871), (2401, 93817), (4079, 55223), (7889, 28553)]