131212791

素因数分解:

$3^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{673}}^1$

素因数の和:797

約数の個数: 40

約数和(自身を含む): 205516080

約数和(自身を除く): 74303289

約数列:

[1, 3, 9, 27, 29, 81, 83, 87, 249, 261, 673, 747, 783, 2019, 2241, 2349, 2407, 6057, 6723, 7221, 18171, 19517, 21663, 54513, 55859, 58551, 64989, 167577, 175653, 194967, 502731, 526959, 1508193, 1580877, 1619911, 4524579, 4859733, 14579199, 43737597, 131212791]

約数ペア:

[(1, 131212791), (3, 43737597), (9, 14579199), (27, 4859733), (29, 4524579), (81, 1619911), (83, 1580877), (87, 1508193), (249, 526959), (261, 502731), (673, 194967), (747, 175653), (783, 167577), (2019, 64989), (2241, 58551), (2349, 55859), (2407, 54513), (6057, 21663), (6723, 19517), (7221, 18171)]