56721519

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{241}}^1\times {\mathrm{379}}^1$

素因数の和:652

約数の個数: 32

約数和(自身を含む): 88281600

約数和(自身を除く): 31560081

約数列:

[1, 3, 9, 23, 27, 69, 207, 241, 379, 621, 723, 1137, 2169, 3411, 5543, 6507, 8717, 10233, 16629, 26151, 49887, 78453, 91339, 149661, 235359, 274017, 822051, 2100797, 2466153, 6302391, 18907173, 56721519]

約数ペア:

[(1, 56721519), (3, 18907173), (9, 6302391), (23, 2466153), (27, 2100797), (69, 822051), (207, 274017), (241, 235359), (379, 149661), (621, 91339), (723, 78453), (1137, 49887), (2169, 26151), (3411, 16629), (5543, 10233), (6507, 8717)]