12983409

素因数分解:

$3^4\times {\mathrm{89}}^1\times {\mathrm{1801}}^1$

素因数の和:1902

約数の個数: 20

約数和(自身を含む): 19623780

約数和(自身を除く): 6640371

約数列:

[1, 3, 9, 27, 81, 89, 267, 801, 1801, 2403, 5403, 7209, 16209, 48627, 145881, 160289, 480867, 1442601, 4327803, 12983409]

約数ペア:

[(1, 12983409), (3, 4327803), (9, 1442601), (27, 480867), (81, 160289), (89, 145881), (267, 48627), (801, 16209), (1801, 7209), (2403, 5403)]