42980105

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{5659}}^1$

素因数の和:5709

約数の個数: 24

約数和(自身を含む): 61943040

約数和(自身を除く): 18962935

約数列:

[1, 5, 7, 31, 35, 49, 155, 217, 245, 1085, 1519, 5659, 7595, 28295, 39613, 175429, 198065, 277291, 877145, 1228003, 1386455, 6140015, 8596021, 42980105]

約数ペア:

[(1, 42980105), (5, 8596021), (7, 6140015), (31, 1386455), (35, 1228003), (49, 877145), (155, 277291), (217, 198065), (245, 175429), (1085, 39613), (1519, 28295), (5659, 7595)]