30731565

素因数分解:

$3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1\times {\mathrm{317}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 51653376

約数和(自身を除く): 20921811

約数列:

[1, 3, 5, 15, 23, 69, 115, 281, 317, 345, 843, 951, 1405, 1585, 4215, 4755, 6463, 7291, 19389, 21873, 32315, 36455, 89077, 96945, 109365, 267231, 445385, 1336155, 2048771, 6146313, 10243855, 30731565]

約数ペア:

[(1, 30731565), (3, 10243855), (5, 6146313), (15, 2048771), (23, 1336155), (69, 445385), (115, 267231), (281, 109365), (317, 96945), (345, 89077), (843, 36455), (951, 32315), (1405, 21873), (1585, 19389), (4215, 7291), (4755, 6463)]