15708007959

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{20753}}^1$

素因数の和:21060

約数の個数: 48

約数和(自身を含む): 25741601280

約数和(自身を除く): 10033593321

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 271, 399, 813, 931, 1897, 2793, 5149, 5691, 13279, 15447, 20753, 36043, 39837, 62259, 108129, 145271, 252301, 394307, 435813, 756903, 1016897, 1182921, 2760149, 3050691, 5624063, 8280447, 16872189, 19321043, 39368441, 57963129, 106857197, 118105323, 275579087, 320571591, 748000379, 826737261, 2244001137, 5236002653, 15708007959]

約数ペア:

[(1, 15708007959), (3, 5236002653), (7, 2244001137), (19, 826737261), (21, 748000379), (49, 320571591), (57, 275579087), (133, 118105323), (147, 106857197), (271, 57963129), (399, 39368441), (813, 19321043), (931, 16872189), (1897, 8280447), (2793, 5624063), (5149, 3050691), (5691, 2760149), (13279, 1182921), (15447, 1016897), (20753, 756903), (36043, 435813), (39837, 394307), (62259, 252301), (108129, 145271)]