71338401

素因数分解:

$3^4\times {\mathrm{41}}^1\times {\mathrm{21481}}^1$

素因数の和:21534

約数の個数: 20

約数和(自身を含む): 109171524

約数和(自身を除く): 37833123

約数列:

[1, 3, 9, 27, 41, 81, 123, 369, 1107, 3321, 21481, 64443, 193329, 579987, 880721, 1739961, 2642163, 7926489, 23779467, 71338401]

約数ペア:

[(1, 71338401), (3, 23779467), (9, 7926489), (27, 2642163), (41, 1739961), (81, 880721), (123, 579987), (369, 193329), (1107, 64443), (3321, 21481)]