520077831

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{953}}^1\times {\mathrm{1999}}^1$

素因数の和:2975

約数の個数: 32

約数和(自身を含む): 854784000

約数和(自身を除く): 334706169

約数列:

[1, 3, 7, 13, 21, 39, 91, 273, 953, 1999, 2859, 5997, 6671, 12389, 13993, 20013, 25987, 37167, 41979, 77961, 86723, 181909, 260169, 545727, 1905047, 5715141, 13335329, 24765611, 40005987, 74296833, 173359277, 520077831]

約数ペア:

[(1, 520077831), (3, 173359277), (7, 74296833), (13, 40005987), (21, 24765611), (39, 13335329), (91, 5715141), (273, 1905047), (953, 545727), (1999, 260169), (2859, 181909), (5997, 86723), (6671, 77961), (12389, 41979), (13993, 37167), (20013, 25987)]