2780838

素因数分解:

$2^1\times 3^3\times {\mathrm{23}}^1\times {\mathrm{2239}}^1$

素因数の和:2273

約数の個数: 32

約数和(自身を含む): 6451200

約数和(自身を除く): 3670362

約数列:

[1, 2, 3, 6, 9, 18, 23, 27, 46, 54, 69, 138, 207, 414, 621, 1242, 2239, 4478, 6717, 13434, 20151, 40302, 51497, 60453, 102994, 120906, 154491, 308982, 463473, 926946, 1390419, 2780838]

約数ペア:

[(1, 2780838), (2, 1390419), (3, 926946), (6, 463473), (9, 308982), (18, 154491), (23, 120906), (27, 102994), (46, 60453), (54, 51497), (69, 40302), (138, 20151), (207, 13434), (414, 6717), (621, 4478), (1242, 2239)]