42647955

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{406171}}^1$

素因数の和:406186

約数の個数: 16

約数和(自身を含む): 77985024

約数和(自身を除く): 35337069

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 406171, 1218513, 2030855, 2843197, 6092565, 8529591, 14215985, 42647955]

約数ペア:

[(1, 42647955), (3, 14215985), (5, 8529591), (7, 6092565), (15, 2843197), (21, 2030855), (35, 1218513), (105, 406171)]