16209207

素因数分解:

$3^3\times 7^1\times {\mathrm{139}}^1\times {\mathrm{617}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 27686400

約数和(自身を除く): 11477193

約数列:

[1, 3, 7, 9, 21, 27, 63, 139, 189, 417, 617, 973, 1251, 1851, 2919, 3753, 4319, 5553, 8757, 12957, 16659, 26271, 38871, 85763, 116613, 257289, 600341, 771867, 1801023, 2315601, 5403069, 16209207]

約数ペア:

[(1, 16209207), (3, 5403069), (7, 2315601), (9, 1801023), (21, 771867), (27, 600341), (63, 257289), (139, 116613), (189, 85763), (417, 38871), (617, 26271), (973, 16659), (1251, 12957), (1851, 8757), (2919, 5553), (3753, 4319)]