491400000021

素因数分解:

$3^1\times 7^2\times {\mathrm{3342857143}}^1$

素因数の和:3342857160

約数の個数: 12

約数和(自身を含む): 762171428832

約数和(自身を除く): 270771428811

約数列:

[1, 3, 7, 21, 49, 147, 3342857143, 10028571429, 23400000001, 70200000003, 163800000007, 491400000021]

約数ペア:

[(1, 491400000021), (3, 163800000007), (7, 70200000003), (21, 23400000001), (49, 10028571429), (147, 3342857143)]