12695787

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{491}}^1$

素因数の和:540

約数の個数: 36

約数和(自身を含む): 21068424

約数和(自身を除く): 8372637

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 169, 221, 491, 507, 663, 1473, 1521, 1989, 2873, 4419, 6383, 8347, 8619, 19149, 25041, 25857, 57447, 75123, 82979, 108511, 248937, 325533, 746811, 976599, 1410643, 4231929, 12695787]

約数ペア:

[(1, 12695787), (3, 4231929), (9, 1410643), (13, 976599), (17, 746811), (39, 325533), (51, 248937), (117, 108511), (153, 82979), (169, 75123), (221, 57447), (491, 25857), (507, 25041), (663, 19149), (1473, 8619), (1521, 8347), (1989, 6383), (2873, 4419)]