668836791

素因数分解:

$3^3\times 7^1\times {\mathrm{1109}}^1\times {\mathrm{3191}}^1$

素因数の和:4316

約数の個数: 32

約数和(自身を含む): 1133798400

約数和(自身を除く): 464961609

約数列:

[1, 3, 7, 9, 21, 27, 63, 189, 1109, 3191, 3327, 7763, 9573, 9981, 22337, 23289, 28719, 29943, 67011, 69867, 86157, 201033, 209601, 603099, 3538819, 10616457, 24771733, 31849371, 74315199, 95548113, 222945597, 668836791]

約数ペア:

[(1, 668836791), (3, 222945597), (7, 95548113), (9, 74315199), (21, 31849371), (27, 24771733), (63, 10616457), (189, 3538819), (1109, 603099), (3191, 209601), (3327, 201033), (7763, 86157), (9573, 69867), (9981, 67011), (22337, 29943), (23289, 28719)]