221874237

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1\times {\mathrm{479}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 358525440

約数和(自身を除く): 136651203

約数列:

[1, 3, 9, 13, 37, 39, 107, 111, 117, 321, 333, 479, 481, 963, 1391, 1437, 1443, 3959, 4173, 4311, 4329, 6227, 11877, 12519, 17723, 18681, 35631, 51253, 51467, 53169, 56043, 153759, 154401, 159507, 230399, 461277, 463203, 666289, 691197, 1896361, 1998867, 2073591, 5689083, 5996601, 17067249, 24652693, 73958079, 221874237]

約数ペア:

[(1, 221874237), (3, 73958079), (9, 24652693), (13, 17067249), (37, 5996601), (39, 5689083), (107, 2073591), (111, 1998867), (117, 1896361), (321, 691197), (333, 666289), (479, 463203), (481, 461277), (963, 230399), (1391, 159507), (1437, 154401), (1443, 153759), (3959, 56043), (4173, 53169), (4311, 51467), (4329, 51253), (6227, 35631), (11877, 18681), (12519, 17723)]