391872597

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{127}}^1\times {\mathrm{197}}^1\times {\mathrm{227}}^1$

素因数の和:577

約数の個数: 32

約数和(自身を含む): 554729472

約数和(自身を除く): 162856875

約数列:

[1, 3, 23, 69, 127, 197, 227, 381, 591, 681, 2921, 4531, 5221, 8763, 13593, 15663, 25019, 28829, 44719, 75057, 86487, 134157, 575437, 663067, 1028537, 1726311, 1989201, 3085611, 5679313, 17037939, 130624199, 391872597]

約数ペア:

[(1, 391872597), (3, 130624199), (23, 17037939), (69, 5679313), (127, 3085611), (197, 1989201), (227, 1726311), (381, 1028537), (591, 663067), (681, 575437), (2921, 134157), (4531, 86487), (5221, 75057), (8763, 44719), (13593, 28829), (15663, 25019)]