407505789

素因数分解:

$3^3\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{5167}}^1$

素因数の和:5326

約数の個数: 32

約数和(自身を含む): 635043840

約数和(自身を除く): 227538051

約数列:

[1, 3, 9, 23, 27, 69, 127, 207, 381, 621, 1143, 2921, 3429, 5167, 8763, 15501, 26289, 46503, 78867, 118841, 139509, 356523, 656209, 1069569, 1968627, 3208707, 5905881, 15092807, 17717643, 45278421, 135835263, 407505789]

約数ペア:

[(1, 407505789), (3, 135835263), (9, 45278421), (23, 17717643), (27, 15092807), (69, 5905881), (127, 3208707), (207, 1968627), (381, 1069569), (621, 656209), (1143, 356523), (2921, 139509), (3429, 118841), (5167, 78867), (8763, 46503), (15501, 26289)]