221232213

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{739}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 350937600

約数和(自身を除く): 129705387

約数列:

[1, 3, 9, 29, 31, 37, 87, 93, 111, 261, 279, 333, 739, 899, 1073, 1147, 2217, 2697, 3219, 3441, 6651, 8091, 9657, 10323, 21431, 22909, 27343, 33263, 64293, 68727, 82029, 99789, 192879, 206181, 246087, 299367, 664361, 792947, 847633, 1993083, 2378841, 2542899, 5979249, 7136523, 7628697, 24581357, 73744071, 221232213]

約数ペア:

[(1, 221232213), (3, 73744071), (9, 24581357), (29, 7628697), (31, 7136523), (37, 5979249), (87, 2542899), (93, 2378841), (111, 1993083), (261, 847633), (279, 792947), (333, 664361), (739, 299367), (899, 246087), (1073, 206181), (1147, 192879), (2217, 99789), (2697, 82029), (3219, 68727), (3441, 64293), (6651, 33263), (8091, 27343), (9657, 22909), (10323, 21431)]