520012137

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1\times {\mathrm{281}}^1$

素因数の和:641

約数の個数: 32

約数和(自身を含む): 730944000

約数和(自身を除く): 210931863

約数列:

[1, 3, 29, 87, 89, 239, 267, 281, 717, 843, 2581, 6931, 7743, 8149, 20793, 21271, 24447, 25009, 63813, 67159, 75027, 201477, 616859, 725261, 1850577, 1947611, 2175783, 5842833, 5977151, 17931453, 173337379, 520012137]

約数ペア:

[(1, 520012137), (3, 173337379), (29, 17931453), (87, 5977151), (89, 5842833), (239, 2175783), (267, 1947611), (281, 1850577), (717, 725261), (843, 616859), (2581, 201477), (6931, 75027), (7743, 67159), (8149, 63813), (20793, 25009), (21271, 24447)]