23987421

素因数分解:

$3^4\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{97}}^1$

素因数の和:223

約数の個数: 40

約数和(自身を含む): 37566144

約数和(自身を除く): 13578723

約数列:

[1, 3, 9, 27, 43, 71, 81, 97, 129, 213, 291, 387, 639, 873, 1161, 1917, 2619, 3053, 3483, 4171, 5751, 6887, 7857, 9159, 12513, 20661, 27477, 37539, 61983, 82431, 112617, 185949, 247293, 296141, 337851, 557847, 888423, 2665269, 7995807, 23987421]

約数ペア:

[(1, 23987421), (3, 7995807), (9, 2665269), (27, 888423), (43, 557847), (71, 337851), (81, 296141), (97, 247293), (129, 185949), (213, 112617), (291, 82431), (387, 61983), (639, 37539), (873, 27477), (1161, 20661), (1917, 12513), (2619, 9159), (3053, 7857), (3483, 6887), (4171, 5751)]