71398791

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2$

素因数の和:220

約数の個数: 36

約数和(自身を含む): 109374408

約数和(自身を除く): 37975617

約数列:

[1, 3, 9, 43, 53, 59, 129, 159, 177, 387, 477, 531, 2279, 2537, 3127, 3481, 6837, 7611, 9381, 10443, 20511, 22833, 28143, 31329, 134461, 149683, 184493, 403383, 449049, 553479, 1210149, 1347147, 1660437, 7933199, 23799597, 71398791]

約数ペア:

[(1, 71398791), (3, 23799597), (9, 7933199), (43, 1660437), (53, 1347147), (59, 1210149), (129, 553479), (159, 449049), (177, 403383), (387, 184493), (477, 149683), (531, 134461), (2279, 31329), (2537, 28143), (3127, 22833), (3481, 20511), (6837, 10443), (7611, 9381)]