71356221

素因数分解:

$3^5\times {\mathrm{43}}^1\times {\mathrm{6829}}^1$

素因数の和:6887

約数の個数: 24

約数和(自身を含む): 109389280

約数和(自身を除く): 38033059

約数列:

[1, 3, 9, 27, 43, 81, 129, 243, 387, 1161, 3483, 6829, 10449, 20487, 61461, 184383, 293647, 553149, 880941, 1659447, 2642823, 7928469, 23785407, 71356221]

約数ペア:

[(1, 71356221), (3, 23785407), (9, 7928469), (27, 2642823), (43, 1659447), (81, 880941), (129, 553149), (243, 293647), (387, 184383), (1161, 61461), (3483, 20487), (6829, 10449)]