213268933251

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1949}}^1\times {\mathrm{29873}}^1$

素因数の和:31876

約数の個数: 48

約数和(自身を含む): 345331490400

約数和(自身を除く): 132062557149

約数列:

[1, 3, 9, 11, 33, 37, 99, 111, 333, 407, 1221, 1949, 3663, 5847, 17541, 21439, 29873, 64317, 72113, 89619, 192951, 216339, 268857, 328603, 649017, 793243, 985809, 1105301, 2379729, 2957427, 3315903, 7139187, 9947709, 12158311, 36474933, 58222477, 109424799, 174667431, 524002293, 640447247, 1921341741, 2154231649, 5764025223, 6462694947, 19388084841, 23696548139, 71089644417, 213268933251]

約数ペア:

[(1, 213268933251), (3, 71089644417), (9, 23696548139), (11, 19388084841), (33, 6462694947), (37, 5764025223), (99, 2154231649), (111, 1921341741), (333, 640447247), (407, 524002293), (1221, 174667431), (1949, 109424799), (3663, 58222477), (5847, 36474933), (17541, 12158311), (21439, 9947709), (29873, 7139187), (64317, 3315903), (72113, 2957427), (89619, 2379729), (192951, 1105301), (216339, 985809), (268857, 793243), (328603, 649017)]