15145949

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 36

約数和(自身を含む): 20027520

約数和(自身を除く): 4881571

約数列:

[1, 7, 13, 31, 49, 59, 91, 169, 217, 403, 413, 637, 767, 1183, 1519, 1829, 2821, 2891, 5239, 5369, 8281, 9971, 12803, 19747, 23777, 36673, 37583, 69797, 89621, 166439, 256711, 309101, 488579, 1165073, 2163707, 15145949]

約数ペア:

[(1, 15145949), (7, 2163707), (13, 1165073), (31, 488579), (49, 309101), (59, 256711), (91, 166439), (169, 89621), (217, 69797), (403, 37583), (413, 36673), (637, 23777), (767, 19747), (1183, 12803), (1519, 9971), (1829, 8281), (2821, 5369), (2891, 5239)]