207975993

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{397}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 295882752

約数和(自身を除く): 87906759

約数列:

[1, 3, 31, 43, 93, 129, 131, 393, 397, 1191, 1333, 3999, 4061, 5633, 12183, 12307, 16899, 17071, 36921, 51213, 52007, 156021, 174623, 523869, 529201, 1587603, 1612217, 2236301, 4836651, 6708903, 69325331, 207975993]

約数ペア:

[(1, 207975993), (3, 69325331), (31, 6708903), (43, 4836651), (93, 2236301), (129, 1612217), (131, 1587603), (393, 529201), (397, 523869), (1191, 174623), (1333, 156021), (3999, 52007), (4061, 51213), (5633, 36921), (12183, 17071), (12307, 16899)]