161855853

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:473

約数の個数: 32

約数和(自身を含む): 231038976

約数和(自身を除く): 69183123

約数列:

[1, 3, 23, 67, 69, 157, 201, 223, 471, 669, 1541, 3611, 4623, 5129, 10519, 10833, 14941, 15387, 31557, 35011, 44823, 105033, 241937, 343643, 725811, 805253, 1030929, 2345737, 2415759, 7037211, 53951951, 161855853]

約数ペア:

[(1, 161855853), (3, 53951951), (23, 7037211), (67, 2415759), (69, 2345737), (157, 1030929), (201, 805253), (223, 725811), (471, 343643), (669, 241937), (1541, 105033), (3611, 44823), (4623, 35011), (5129, 31557), (10519, 15387), (10833, 14941)]