664756797

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1425

約数の個数: 32

約数和(自身を含む): 958003200

約数和(自身を除く): 293246403

約数列:

[1, 3, 17, 51, 79, 139, 237, 417, 1187, 1343, 2363, 3561, 4029, 7089, 10981, 20179, 32943, 60537, 93773, 164993, 186677, 281319, 494979, 560031, 1594141, 2804881, 4782423, 8414643, 13034447, 39103341, 221585599, 664756797]

約数ペア:

[(1, 664756797), (3, 221585599), (17, 39103341), (51, 13034447), (79, 8414643), (139, 4782423), (237, 2804881), (417, 1594141), (1187, 560031), (1343, 494979), (2363, 281319), (3561, 186677), (4029, 164993), (7089, 93773), (10981, 60537), (20179, 32943)]