205220463

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{13901}}^1$

素因数の和:13967

約数の個数: 32

約数和(自身を含む): 338096640

約数和(自身を除く): 132876177

約数列:

[1, 3, 7, 19, 21, 37, 57, 111, 133, 259, 399, 703, 777, 2109, 4921, 13901, 14763, 41703, 97307, 264119, 291921, 514337, 792357, 1543011, 1848833, 3600359, 5546499, 9772403, 10801077, 29317209, 68406821, 205220463]

約数ペア:

[(1, 205220463), (3, 68406821), (7, 29317209), (19, 10801077), (21, 9772403), (37, 5546499), (57, 3600359), (111, 1848833), (133, 1543011), (259, 792357), (399, 514337), (703, 291921), (777, 264119), (2109, 97307), (4921, 41703), (13901, 14763)]