161765421

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{227}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 233435520

約数和(自身を除く): 71670099

約数列:

[1, 3, 17, 51, 89, 157, 227, 267, 471, 681, 1513, 2669, 3859, 4539, 8007, 11577, 13973, 20203, 35639, 41919, 60609, 106917, 237541, 343451, 605863, 712623, 1030353, 1817589, 3171871, 9515613, 53921807, 161765421]

約数ペア:

[(1, 161765421), (3, 53921807), (17, 9515613), (51, 3171871), (89, 1817589), (157, 1030353), (227, 712623), (267, 605863), (471, 343451), (681, 237541), (1513, 106917), (2669, 60609), (3859, 41919), (4539, 35639), (8007, 20203), (11577, 13973)]