13161771

素因数分解:

$3^4\times 7^1\times {\mathrm{139}}^1\times {\mathrm{167}}^1$

素因数の和:325

約数の個数: 40

約数和(自身を含む): 22767360

約数和(自身を除く): 9605589

約数列:

[1, 3, 7, 9, 21, 27, 63, 81, 139, 167, 189, 417, 501, 567, 973, 1169, 1251, 1503, 2919, 3507, 3753, 4509, 8757, 10521, 11259, 13527, 23213, 26271, 31563, 69639, 78813, 94689, 162491, 208917, 487473, 626751, 1462419, 1880253, 4387257, 13161771]

約数ペア:

[(1, 13161771), (3, 4387257), (7, 1880253), (9, 1462419), (21, 626751), (27, 487473), (63, 208917), (81, 162491), (139, 94689), (167, 78813), (189, 69639), (417, 31563), (501, 26271), (567, 23213), (973, 13527), (1169, 11259), (1251, 10521), (1503, 8757), (2919, 4509), (3507, 3753)]