2021216427

素因数分解:

$3^2\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{1613}}^1$

素因数の和:1780

約数の個数: 48

約数和(自身を含む): 3099964608

約数和(自身を除く): 1078748181

約数列:

[1, 3, 9, 37, 53, 71, 111, 159, 213, 333, 477, 639, 1613, 1961, 2627, 3763, 4839, 5883, 7881, 11289, 14517, 17649, 23643, 33867, 59681, 85489, 114523, 139231, 179043, 256467, 343569, 417693, 537129, 769401, 1030707, 1253079, 3163093, 4237351, 6069719, 9489279, 12712053, 18209157, 28467837, 38136159, 54627471, 224579603, 673738809, 2021216427]

約数ペア:

[(1, 2021216427), (3, 673738809), (9, 224579603), (37, 54627471), (53, 38136159), (71, 28467837), (111, 18209157), (159, 12712053), (213, 9489279), (333, 6069719), (477, 4237351), (639, 3163093), (1613, 1253079), (1961, 1030707), (2627, 769401), (3763, 537129), (4839, 417693), (5883, 343569), (7881, 256467), (11289, 179043), (14517, 139231), (17649, 114523), (23643, 85489), (33867, 59681)]