12509217

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 22014720

約数和(自身を除く): 9505503

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 89, 97, 161, 207, 267, 291, 483, 623, 679, 801, 873, 1449, 1869, 2037, 2047, 2231, 5607, 6111, 6141, 6693, 8633, 14329, 15617, 18423, 20079, 25899, 42987, 46851, 60431, 77697, 128961, 140553, 181293, 198559, 543879, 595677, 1389913, 1787031, 4169739, 12509217]

約数ペア:

[(1, 12509217), (3, 4169739), (7, 1787031), (9, 1389913), (21, 595677), (23, 543879), (63, 198559), (69, 181293), (89, 140553), (97, 128961), (161, 77697), (207, 60431), (267, 46851), (291, 42987), (483, 25899), (623, 20079), (679, 18423), (801, 15617), (873, 14329), (1449, 8633), (1869, 6693), (2037, 6141), (2047, 6111), (2231, 5607)]