394376031

素因数分解:

$3^2\times 7^1\times {\mathrm{149}}^1\times {\mathrm{42013}}^1$

素因数の和:42175

約数の個数: 24

約数和(自身を含む): 655418400

約数和(自身を除く): 261042369

約数列:

[1, 3, 7, 9, 21, 63, 149, 447, 1043, 1341, 3129, 9387, 42013, 126039, 294091, 378117, 882273, 2646819, 6259937, 18779811, 43819559, 56339433, 131458677, 394376031]

約数ペア:

[(1, 394376031), (3, 131458677), (7, 56339433), (9, 43819559), (21, 18779811), (63, 6259937), (149, 2646819), (447, 882273), (1043, 378117), (1341, 294091), (3129, 126039), (9387, 42013)]