30715281

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{16487}}^1$

素因数の和:16522

約数の個数: 20

約数和(自身を含む): 47881152

約数和(自身を除く): 17165871

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 16487, 49461, 148383, 379201, 445149, 1137603, 1335447, 3412809, 10238427, 30715281]

約数ペア:

[(1, 30715281), (3, 10238427), (9, 3412809), (23, 1335447), (27, 1137603), (69, 445149), (81, 379201), (207, 148383), (621, 49461), (1863, 16487)]