12918867

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{83}}^1\times {\mathrm{307}}^1$

素因数の和:419

約数の個数: 24

約数和(自身を含む): 18938304

約数和(自身を除く): 6019437

約数列:

[1, 3, 13, 39, 83, 169, 249, 307, 507, 921, 1079, 3237, 3991, 11973, 14027, 25481, 42081, 51883, 76443, 155649, 331253, 993759, 4306289, 12918867]

約数ペア:

[(1, 12918867), (3, 4306289), (13, 993759), (39, 331253), (83, 155649), (169, 76443), (249, 51883), (307, 42081), (507, 25481), (921, 14027), (1079, 11973), (3237, 3991)]