2213019

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 3385200

約数和(自身を除く): 1172181

約数列:

[1, 3, 9, 29, 61, 87, 139, 183, 261, 417, 549, 1251, 1769, 4031, 5307, 8479, 12093, 15921, 25437, 36279, 76311, 245891, 737673, 2213019]

約数ペア:

[(1, 2213019), (3, 737673), (9, 245891), (29, 76311), (61, 36279), (87, 25437), (139, 15921), (183, 12093), (261, 8479), (417, 5307), (549, 4031), (1251, 1769)]