12959961

素因数分解:

$3^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{673}}^1$

素因数の和:821

約数の個数: 24

約数和(自身を含む): 20284704

約数和(自身を除く): 7324743

約数列:

[1, 3, 7, 21, 49, 131, 147, 393, 673, 917, 2019, 2751, 4711, 6419, 14133, 19257, 32977, 88163, 98931, 264489, 617141, 1851423, 4319987, 12959961]

約数ペア:

[(1, 12959961), (3, 4319987), (7, 1851423), (21, 617141), (49, 264489), (131, 98931), (147, 88163), (393, 32977), (673, 19257), (917, 14133), (2019, 6419), (2751, 4711)]