31744881

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 48

約数和(自身を含む): 54632448

約数和(自身を除く): 22887567

約数列:

[1, 3, 7, 9, 21, 47, 63, 71, 141, 151, 213, 329, 423, 453, 497, 639, 987, 1057, 1359, 1491, 2961, 3171, 3337, 4473, 7097, 9513, 10011, 10721, 21291, 23359, 30033, 32163, 49679, 63873, 70077, 75047, 96489, 149037, 210231, 225141, 447111, 503887, 675423, 1511661, 3527209, 4534983, 10581627, 31744881]

約数ペア:

[(1, 31744881), (3, 10581627), (7, 4534983), (9, 3527209), (21, 1511661), (47, 675423), (63, 503887), (71, 447111), (141, 225141), (151, 210231), (213, 149037), (329, 96489), (423, 75047), (453, 70077), (497, 63873), (639, 49679), (987, 32163), (1057, 30033), (1359, 23359), (1491, 21291), (2961, 10721), (3171, 10011), (3337, 9513), (4473, 7097)]