127813231

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{773}}^1$

素因数の和:895

約数の個数: 32

約数和(自身を含む): 166440960

約数和(自身を除く): 38627729

約数列:

[1, 7, 13, 23, 79, 91, 161, 299, 553, 773, 1027, 1817, 2093, 5411, 7189, 10049, 12719, 17779, 23621, 61067, 70343, 124453, 165347, 231127, 427469, 793871, 1404541, 1617889, 5557097, 9831787, 18259033, 127813231]

約数ペア:

[(1, 127813231), (7, 18259033), (13, 9831787), (23, 5557097), (79, 1617889), (91, 1404541), (161, 793871), (299, 427469), (553, 231127), (773, 165347), (1027, 124453), (1817, 70343), (2093, 61067), (5411, 23621), (7189, 17779), (10049, 12719)]