217829013

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{18973}}^1$

素因数の和:19108

約数の個数: 16

約数和(自身を含む): 300548160

約数和(自身を除く): 82719147

約数列:

[1, 3, 43, 89, 129, 267, 3827, 11481, 18973, 56919, 815839, 1688597, 2447517, 5065791, 72609671, 217829013]

約数ペア:

[(1, 217829013), (3, 72609671), (43, 5065791), (89, 2447517), (129, 1688597), (267, 815839), (3827, 56919), (11481, 18973)]