51333489

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{137}}^1$

素因数の和:270

約数の個数: 48

約数和(自身を含む): 82667520

約数和(自身を除く): 31334031

約数列:

[1, 3, 9, 17, 31, 51, 79, 93, 137, 153, 237, 279, 411, 527, 711, 1233, 1343, 1581, 2329, 2449, 4029, 4247, 4743, 6987, 7347, 10823, 12087, 12741, 20961, 22041, 32469, 38223, 41633, 72199, 97407, 124899, 183991, 216597, 335513, 374697, 551973, 649791, 1006539, 1655919, 3019617, 5703721, 17111163, 51333489]

約数ペア:

[(1, 51333489), (3, 17111163), (9, 5703721), (17, 3019617), (31, 1655919), (51, 1006539), (79, 649791), (93, 551973), (137, 374697), (153, 335513), (237, 216597), (279, 183991), (411, 124899), (527, 97407), (711, 72199), (1233, 41633), (1343, 38223), (1581, 32469), (2329, 22041), (2449, 20961), (4029, 12741), (4247, 12087), (4743, 10823), (6987, 7347)]