210926529

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:790

約数の個数: 48

約数和(自身を含む): 345720960

約数和(自身を除く): 134794431

約数列:

[1, 3, 9, 11, 33, 37, 89, 99, 111, 267, 333, 407, 647, 801, 979, 1221, 1941, 2937, 3293, 3663, 5823, 7117, 8811, 9879, 21351, 23939, 29637, 36223, 57583, 64053, 71817, 108669, 172749, 215451, 263329, 326007, 518247, 633413, 789987, 1900239, 2130571, 2369961, 5700717, 6391713, 19175139, 23436281, 70308843, 210926529]

約数ペア:

[(1, 210926529), (3, 70308843), (9, 23436281), (11, 19175139), (33, 6391713), (37, 5700717), (89, 2369961), (99, 2130571), (111, 1900239), (267, 789987), (333, 633413), (407, 518247), (647, 326007), (801, 263329), (979, 215451), (1221, 172749), (1941, 108669), (2937, 71817), (3293, 64053), (3663, 57583), (5823, 36223), (7117, 29637), (8811, 23939), (9879, 21351)]