12387999

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:231

約数の個数: 32

約数和(自身を含む): 18627840

約数和(自身を除く): 6239841

約数列:

[1, 3, 13, 39, 43, 83, 89, 129, 249, 267, 559, 1079, 1157, 1677, 3237, 3471, 3569, 3827, 7387, 10707, 11481, 22161, 46397, 49751, 96031, 139191, 149253, 288093, 317641, 952923, 4129333, 12387999]

約数ペア:

[(1, 12387999), (3, 4129333), (13, 952923), (39, 317641), (43, 288093), (83, 149253), (89, 139191), (129, 96031), (249, 49751), (267, 46397), (559, 22161), (1079, 11481), (1157, 10707), (1677, 7387), (3237, 3827), (3471, 3569)]