25337753

素因数分解:

$7^4\times {\mathrm{61}}^1\times {\mathrm{173}}^1$

素因数の和:262

約数の個数: 20

約数和(自身を含む): 30217188

約数和(自身を除く): 4879435

約数列:

[1, 7, 49, 61, 173, 343, 427, 1211, 2401, 2989, 8477, 10553, 20923, 59339, 73871, 146461, 415373, 517097, 3619679, 25337753]

約数ペア:

[(1, 25337753), (7, 3619679), (49, 517097), (61, 415373), (173, 146461), (343, 73871), (427, 59339), (1211, 20923), (2401, 10553), (2989, 8477)]