72506643

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1381}}^1$

素因数の和:1475

約数の個数: 32

約数和(自身を含む): 110913792

約数和(自身を除く): 38407149

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 407, 473, 1221, 1381, 1419, 1591, 4143, 4773, 15191, 17501, 45573, 51097, 52503, 59383, 153291, 178149, 562067, 653213, 1686201, 1959639, 2197171, 6591513, 24168881, 72506643]

約数ペア:

[(1, 72506643), (3, 24168881), (11, 6591513), (33, 2197171), (37, 1959639), (43, 1686201), (111, 653213), (129, 562067), (407, 178149), (473, 153291), (1221, 59383), (1381, 52503), (1419, 51097), (1591, 45573), (4143, 17501), (4773, 15191)]