20183347989

素因数分解:

$3^3\times 7^2\times {\mathrm{191}}^1\times {\mathrm{79873}}^1$

素因数の和:80087

約数の個数: 48

約数和(自身を含む): 34965642240

約数和(自身を除く): 14782294251

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 191, 441, 573, 1323, 1337, 1719, 4011, 5157, 9359, 12033, 28077, 36099, 79873, 84231, 239619, 252693, 559111, 718857, 1677333, 2156571, 3913777, 5031999, 11741331, 15095997, 15255743, 35223993, 45767229, 105671979, 106790201, 137301687, 320370603, 411905061, 747531407, 961111809, 2242594221, 2883335427, 6727782663, 20183347989]

約数ペア:

[(1, 20183347989), (3, 6727782663), (7, 2883335427), (9, 2242594221), (21, 961111809), (27, 747531407), (49, 411905061), (63, 320370603), (147, 137301687), (189, 106790201), (191, 105671979), (441, 45767229), (573, 35223993), (1323, 15255743), (1337, 15095997), (1719, 11741331), (4011, 5031999), (5157, 3913777), (9359, 2156571), (12033, 1677333), (28077, 718857), (36099, 559111), (79873, 252693), (84231, 239619)]