61217947

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:738

約数の個数: 16

約数和(自身を含む): 71165952

約数和(自身を除く): 9948005

約数列:

[1, 7, 103, 197, 431, 721, 1379, 3017, 20291, 44393, 84907, 142037, 310751, 594349, 8745421, 61217947]

約数ペア:

[(1, 61217947), (7, 8745421), (103, 594349), (197, 310751), (431, 142037), (721, 84907), (1379, 44393), (3017, 20291)]