199691109

素因数分解:

$3^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{4253}}^1$

素因数の和:4346

約数の個数: 32

約数和(自身を含む): 310371840

約数和(自身を除く): 110680731

約数列:

[1, 3, 9, 27, 37, 47, 111, 141, 333, 423, 999, 1269, 1739, 4253, 5217, 12759, 15651, 38277, 46953, 114831, 157361, 199891, 472083, 599673, 1416249, 1799019, 4248747, 5397057, 7395967, 22187901, 66563703, 199691109]

約数ペア:

[(1, 199691109), (3, 66563703), (9, 22187901), (27, 7395967), (37, 5397057), (47, 4248747), (111, 1799019), (141, 1416249), (333, 599673), (423, 472083), (999, 199891), (1269, 157361), (1739, 114831), (4253, 46953), (5217, 38277), (12759, 15651)]