12888513

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{617}}^1$

素因数の和:845

約数の個数: 24

約数和(自身を含む): 20438496

約数和(自身を除く): 7549983

約数列:

[1, 3, 9, 11, 33, 99, 211, 617, 633, 1851, 1899, 2321, 5553, 6787, 6963, 20361, 20889, 61083, 130187, 390561, 1171683, 1432057, 4296171, 12888513]

約数ペア:

[(1, 12888513), (3, 4296171), (9, 1432057), (11, 1171683), (33, 390561), (99, 130187), (211, 61083), (617, 20889), (633, 20361), (1851, 6963), (1899, 6787), (2321, 5553)]