81271569

素因数分解:

$3^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1\times {\mathrm{743}}^1$

素因数の和:885

約数の個数: 24

約数和(自身を含む): 115653312

約数和(自身を除く): 34381743

約数列:

[1, 3, 19, 57, 101, 303, 361, 743, 1083, 1919, 2229, 5757, 14117, 36461, 42351, 75043, 109383, 225129, 268223, 804669, 1425817, 4277451, 27090523, 81271569]

約数ペア:

[(1, 81271569), (3, 27090523), (19, 4277451), (57, 1425817), (101, 804669), (303, 268223), (361, 225129), (743, 109383), (1083, 75043), (1919, 42351), (2229, 36461), (5757, 14117)]