201590319

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1\times {\mathrm{647}}^1$

素因数の和:1095

約数の個数: 32

約数和(自身を含む): 316763136

約数和(自身を除く): 115172817

約数列:

[1, 3, 7, 21, 37, 111, 259, 401, 647, 777, 1203, 1941, 2807, 4529, 8421, 13587, 14837, 23939, 44511, 71817, 103859, 167573, 259447, 311577, 502719, 778341, 1816129, 5448387, 9599539, 28798617, 67196773, 201590319]

約数ペア:

[(1, 201590319), (3, 67196773), (7, 28798617), (21, 9599539), (37, 5448387), (111, 1816129), (259, 778341), (401, 502719), (647, 311577), (777, 259447), (1203, 167573), (1941, 103859), (2807, 71817), (4529, 44511), (8421, 23939), (13587, 14837)]