208442997

素因数分解:

$3^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47951}}^1$

素因数の和:47990

約数の個数: 32

約数和(自身を含む): 368271360

約数和(自身を除く): 159828363

約数列:

[1, 3, 7, 9, 21, 23, 27, 63, 69, 161, 189, 207, 483, 621, 1449, 4347, 47951, 143853, 335657, 431559, 1006971, 1102873, 1294677, 3020913, 3308619, 7720111, 9062739, 9925857, 23160333, 29777571, 69480999, 208442997]

約数ペア:

[(1, 208442997), (3, 69480999), (7, 29777571), (9, 23160333), (21, 9925857), (23, 9062739), (27, 7720111), (63, 3308619), (69, 3020913), (161, 1294677), (189, 1102873), (207, 1006971), (483, 431559), (621, 335657), (1449, 143853), (4347, 47951)]