31859331

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1\times {\mathrm{313}}^1$

素因数の和:491

約数の個数: 32

約数和(自身を含む): 50400768

約数和(自身を除く): 18541437

約数列:

[1, 3, 7, 21, 37, 111, 131, 259, 313, 393, 777, 917, 939, 2191, 2751, 4847, 6573, 11581, 14541, 33929, 34743, 41003, 81067, 101787, 123009, 243201, 287021, 861063, 1517111, 4551333, 10619777, 31859331]

約数ペア:

[(1, 31859331), (3, 10619777), (7, 4551333), (21, 1517111), (37, 861063), (111, 287021), (131, 243201), (259, 123009), (313, 101787), (393, 81067), (777, 41003), (917, 34743), (939, 33929), (2191, 14541), (2751, 11581), (4847, 6573)]