12183899

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:675

約数の個数: 24

約数和(自身を含む): 15781248

約数和(自身を除く): 3597349

約数列:

[1, 7, 13, 31, 49, 91, 217, 403, 617, 637, 1519, 2821, 4319, 8021, 19127, 19747, 30233, 56147, 133889, 248651, 393029, 937223, 1740557, 12183899]

約数ペア:

[(1, 12183899), (7, 1740557), (13, 937223), (31, 393029), (49, 248651), (91, 133889), (217, 56147), (403, 30233), (617, 19747), (637, 19127), (1519, 8021), (2821, 4319)]