138173777

素因数分解:

$7^3\times {\mathrm{29}}^2\times {\mathrm{479}}^1$

素因数の和:558

約数の個数: 24

約数和(自身を含む): 167232000

約数和(自身を除く): 29058223

約数列:

[1, 7, 29, 49, 203, 343, 479, 841, 1421, 3353, 5887, 9947, 13891, 23471, 41209, 97237, 164297, 288463, 402839, 680659, 2819873, 4764613, 19739111, 138173777]

約数ペア:

[(1, 138173777), (7, 19739111), (29, 4764613), (49, 2819873), (203, 680659), (343, 402839), (479, 288463), (841, 164297), (1421, 97237), (3353, 41209), (5887, 23471), (9947, 13891)]