81217278

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{196177}}^1$

素因数の和:196208

約数の個数: 24

約数和(自身を含む): 183622608

約数和(自身を除く): 102405330

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 196177, 392354, 588531, 1177062, 1765593, 3531186, 4512071, 9024142, 13536213, 27072426, 40608639, 81217278]

約数ペア:

[(1, 81217278), (2, 40608639), (3, 27072426), (6, 13536213), (9, 9024142), (18, 4512071), (23, 3531186), (46, 1765593), (69, 1177062), (138, 588531), (207, 392354), (414, 196177)]