407075139

素因数分解:

$3^4\times {\mathrm{53}}^1\times {\mathrm{94823}}^1$

素因数の和:94888

約数の個数: 20

約数和(自身を含む): 619580016

約数和(自身を除く): 212504877

約数列:

[1, 3, 9, 27, 53, 81, 159, 477, 1431, 4293, 94823, 284469, 853407, 2560221, 5025619, 7680663, 15076857, 45230571, 135691713, 407075139]

約数ペア:

[(1, 407075139), (3, 135691713), (9, 45230571), (27, 15076857), (53, 7680663), (81, 5025619), (159, 2560221), (477, 853407), (1431, 284469), (4293, 94823)]