15721085961

素因数分解:

$3^5\times 7^2\times {\mathrm{41}}^1\times {\mathrm{32203}}^1$

素因数の和:32273

約数の個数: 72

約数和(自身を含む): 28063080864

約数和(自身を除く): 12341994903

約数列:

[1, 3, 7, 9, 21, 27, 41, 49, 63, 81, 123, 147, 189, 243, 287, 369, 441, 567, 861, 1107, 1323, 1701, 2009, 2583, 3321, 3969, 6027, 7749, 9963, 11907, 18081, 23247, 32203, 54243, 69741, 96609, 162729, 225421, 289827, 488187, 676263, 869481, 1320323, 1577947, 2028789, 2608443, 3960969, 4733841, 6086367, 7825329, 9242261, 11882907, 14201523, 18259101, 27726783, 35648721, 42604569, 54777303, 64695827, 83180349, 106946163, 127813707, 194087481, 249541047, 320838489, 383441121, 582262443, 748623141, 1746787329, 2245869423, 5240361987, 15721085961]

約数ペア:

[(1, 15721085961), (3, 5240361987), (7, 2245869423), (9, 1746787329), (21, 748623141), (27, 582262443), (41, 383441121), (49, 320838489), (63, 249541047), (81, 194087481), (123, 127813707), (147, 106946163), (189, 83180349), (243, 64695827), (287, 54777303), (369, 42604569), (441, 35648721), (567, 27726783), (861, 18259101), (1107, 14201523), (1323, 11882907), (1701, 9242261), (2009, 7825329), (2583, 6086367), (3321, 4733841), (3969, 3960969), (6027, 2608443), (7749, 2028789), (9963, 1577947), (11907, 1320323), (18081, 869481), (23247, 676263), (32203, 488187), (54243, 289827), (69741, 225421), (96609, 162729)]