12216555

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{6961}}^1$

素因数の和:6988

約数の個数: 32

約数和(自身を含む): 23392320

約数和(自身を除く): 11175765

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 117, 135, 195, 351, 585, 1755, 6961, 20883, 34805, 62649, 90493, 104415, 187947, 271479, 313245, 452465, 814437, 939735, 1357395, 2443311, 4072185, 12216555]

約数ペア:

[(1, 12216555), (3, 4072185), (5, 2443311), (9, 1357395), (13, 939735), (15, 814437), (27, 452465), (39, 313245), (45, 271479), (65, 187947), (117, 104415), (135, 90493), (195, 62649), (351, 34805), (585, 20883), (1755, 6961)]