808389621

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{181}}^1\times {\mathrm{647}}^1$

素因数の和:906

約数の個数: 48

約数和(自身を含む): 1287861120

約数和(自身を除く): 479471499

約数列:

[1, 3, 9, 13, 39, 59, 117, 177, 181, 531, 543, 647, 767, 1629, 1941, 2301, 2353, 5823, 6903, 7059, 8411, 10679, 21177, 25233, 32037, 38173, 75699, 96111, 114519, 117107, 138827, 343557, 351321, 416481, 496249, 1053963, 1249443, 1488747, 1522391, 4466241, 4567173, 6909313, 13701519, 20727939, 62183817, 89821069, 269463207, 808389621]

約数ペア:

[(1, 808389621), (3, 269463207), (9, 89821069), (13, 62183817), (39, 20727939), (59, 13701519), (117, 6909313), (177, 4567173), (181, 4466241), (531, 1522391), (543, 1488747), (647, 1249443), (767, 1053963), (1629, 496249), (1941, 416481), (2301, 351321), (2353, 343557), (5823, 138827), (6903, 117107), (7059, 114519), (8411, 96111), (10679, 75699), (21177, 38173), (25233, 32037)]