206880303

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{74071}}^1$

素因数の和:74107

約数の個数: 24

約数和(自身を含む): 337768320

約数和(自身を除く): 130888017

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 399, 931, 2793, 74071, 222213, 518497, 1407349, 1555491, 3629479, 4222047, 9851443, 10888437, 29554329, 68960101, 206880303]

約数ペア:

[(1, 206880303), (3, 68960101), (7, 29554329), (19, 10888437), (21, 9851443), (49, 4222047), (57, 3629479), (133, 1555491), (147, 1407349), (399, 518497), (931, 222213), (2793, 74071)]