9900905

素因数分解:

$5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{619}}^1$

素因数の和:1088

約数の個数: 16

約数和(自身を含む): 13630080

約数和(自身を除く): 3729175

約数列:

[1, 5, 7, 35, 457, 619, 2285, 3095, 3199, 4333, 15995, 21665, 282883, 1414415, 1980181, 9900905]

約数ペア:

[(1, 9900905), (5, 1980181), (7, 1414415), (35, 282883), (457, 21665), (619, 15995), (2285, 4333), (3095, 3199)]