989702973

素因数分解:

$3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{8011}}^1$

素因数の和:8114

約数の個数: 48

約数和(自身を含む): 1709824896

約数和(自身を除く): 720121923

約数列:

[1, 3, 7, 9, 21, 37, 53, 63, 111, 159, 259, 333, 371, 477, 777, 1113, 1961, 2331, 3339, 5883, 8011, 13727, 17649, 24033, 41181, 56077, 72099, 123543, 168231, 296407, 424583, 504693, 889221, 1273749, 2074849, 2667663, 2972081, 3821247, 6224547, 8916243, 15709571, 18673641, 26748729, 47128713, 109966997, 141386139, 329900991, 989702973]

約数ペア:

[(1, 989702973), (3, 329900991), (7, 141386139), (9, 109966997), (21, 47128713), (37, 26748729), (53, 18673641), (63, 15709571), (111, 8916243), (159, 6224547), (259, 3821247), (333, 2972081), (371, 2667663), (477, 2074849), (777, 1273749), (1113, 889221), (1961, 504693), (2331, 424583), (3339, 296407), (5883, 168231), (8011, 123543), (13727, 72099), (17649, 56077), (24033, 41181)]