79818129

素因数分解:

$3^4\times {\mathrm{71}}^1\times {\mathrm{13879}}^1$

素因数の和:13962

約数の個数: 20

約数和(自身を含む): 120922560

約数和(自身を除く): 41104431

約数列:

[1, 3, 9, 27, 71, 81, 213, 639, 1917, 5751, 13879, 41637, 124911, 374733, 985409, 1124199, 2956227, 8868681, 26606043, 79818129]

約数ペア:

[(1, 79818129), (3, 26606043), (9, 8868681), (27, 2956227), (71, 1124199), (81, 985409), (213, 374733), (639, 124911), (1917, 41637), (5751, 13879)]