7917987

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{151}}^1\times {\mathrm{227}}^1$

素因数の和:399

約数の個数: 32

約数和(自身を含む): 13307904

約数和(自身を除く): 5389917

約数列:

[1, 3, 7, 11, 21, 33, 77, 151, 227, 231, 453, 681, 1057, 1589, 1661, 2497, 3171, 4767, 4983, 7491, 11627, 17479, 34277, 34881, 52437, 102831, 239939, 377047, 719817, 1131141, 2639329, 7917987]

約数ペア:

[(1, 7917987), (3, 2639329), (7, 1131141), (11, 719817), (21, 377047), (33, 239939), (77, 102831), (151, 52437), (227, 34881), (231, 34277), (453, 17479), (681, 11627), (1057, 7491), (1589, 4983), (1661, 4767), (2497, 3171)]