80616879

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{269}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 137479680

約数和(自身を除く): 56862801

約数列:

[1, 3, 7, 9, 21, 63, 67, 71, 201, 213, 269, 469, 497, 603, 639, 807, 1407, 1491, 1883, 2421, 4221, 4473, 4757, 5649, 14271, 16947, 18023, 19099, 33299, 42813, 54069, 57297, 99897, 126161, 133693, 162207, 171891, 299691, 378483, 401079, 1135449, 1203237, 1279633, 3838899, 8957431, 11516697, 26872293, 80616879]

約数ペア:

[(1, 80616879), (3, 26872293), (7, 11516697), (9, 8957431), (21, 3838899), (63, 1279633), (67, 1203237), (71, 1135449), (201, 401079), (213, 378483), (269, 299691), (469, 171891), (497, 162207), (603, 133693), (639, 126161), (807, 99897), (1407, 57297), (1491, 54069), (1883, 42813), (2421, 33299), (4221, 19099), (4473, 18023), (4757, 16947), (5649, 14271)]