641834205

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{27767}}^1$

素因数の和:27865

約数の個数: 32

約数和(自身を含む): 1087617024

約数和(自身を除く): 445782819

約数列:

[1, 3, 5, 15, 23, 67, 69, 115, 201, 335, 345, 1005, 1541, 4623, 7705, 23115, 27767, 83301, 138835, 416505, 638641, 1860389, 1915923, 3193205, 5581167, 9301945, 9579615, 27905835, 42788947, 128366841, 213944735, 641834205]

約数ペア:

[(1, 641834205), (3, 213944735), (5, 128366841), (15, 42788947), (23, 27905835), (67, 9579615), (69, 9301945), (115, 5581167), (201, 3193205), (335, 1915923), (345, 1860389), (1005, 638641), (1541, 416505), (4623, 138835), (7705, 83301), (23115, 27767)]