31039827

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1697}}^1$

素因数の和:1787

約数の個数: 32

約数和(自身を含む): 51727872

約数和(自身を除く): 20688045

約数列:

[1, 3, 7, 13, 21, 39, 67, 91, 201, 273, 469, 871, 1407, 1697, 2613, 5091, 6097, 11879, 18291, 22061, 35637, 66183, 113699, 154427, 341097, 463281, 795893, 1478087, 2387679, 4434261, 10346609, 31039827]

約数ペア:

[(1, 31039827), (3, 10346609), (7, 4434261), (13, 2387679), (21, 1478087), (39, 795893), (67, 463281), (91, 341097), (201, 154427), (273, 113699), (469, 66183), (871, 35637), (1407, 22061), (1697, 18291), (2613, 11879), (5091, 6097)]