8721531

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{463}}^1$

素因数の和:512

約数の個数: 48

約数和(自身を含む): 16214016

約数和(自身を除く): 7492485

約数列:

[1, 3, 7, 9, 13, 21, 23, 39, 63, 69, 91, 117, 161, 207, 273, 299, 463, 483, 819, 897, 1389, 1449, 2093, 2691, 3241, 4167, 6019, 6279, 9723, 10649, 18057, 18837, 29169, 31947, 42133, 54171, 74543, 95841, 126399, 138437, 223629, 379197, 415311, 670887, 969059, 1245933, 2907177, 8721531]

約数ペア:

[(1, 8721531), (3, 2907177), (7, 1245933), (9, 969059), (13, 670887), (21, 415311), (23, 379197), (39, 223629), (63, 138437), (69, 126399), (91, 95841), (117, 74543), (161, 54171), (207, 42133), (273, 31947), (299, 29169), (463, 18837), (483, 18057), (819, 10649), (897, 9723), (1389, 6279), (1449, 6019), (2093, 4167), (2691, 3241)]