15992431

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:191

約数の個数: 32

約数和(自身を含む): 20776448

約数和(自身を除く): 4784017

約数列:

[1, 7, 13, 43, 61, 67, 91, 301, 427, 469, 559, 793, 871, 2623, 2881, 3913, 4087, 5551, 6097, 18361, 20167, 28609, 34099, 37453, 53131, 175741, 238693, 262171, 371917, 1230187, 2284633, 15992431]

約数ペア:

[(1, 15992431), (7, 2284633), (13, 1230187), (43, 371917), (61, 262171), (67, 238693), (91, 175741), (301, 53131), (427, 37453), (469, 34099), (559, 28609), (793, 20167), (871, 18361), (2623, 6097), (2881, 5551), (3913, 4087)]