398978838

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{321239}}^1$

素因数の和:321273

約数の個数: 32

約数和(自身を含む): 925171200

約数和(自身を除く): 526192362

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 321239, 642478, 963717, 1927434, 2891151, 5782302, 7388497, 8673453, 14776994, 17346906, 22165491, 44330982, 66496473, 132992946, 199489419, 398978838]

約数ペア:

[(1, 398978838), (2, 199489419), (3, 132992946), (6, 66496473), (9, 44330982), (18, 22165491), (23, 17346906), (27, 14776994), (46, 8673453), (54, 7388497), (69, 5782302), (138, 2891151), (207, 1927434), (414, 963717), (621, 642478), (1242, 321239)]