15887319

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{127}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 26615808

約数和(自身を除く): 10728489

約数列:

[1, 3, 7, 21, 23, 37, 49, 69, 111, 127, 147, 161, 259, 381, 483, 777, 851, 889, 1127, 1813, 2553, 2667, 2921, 3381, 4699, 5439, 5957, 6223, 8763, 14097, 17871, 18669, 20447, 32893, 41699, 61341, 98679, 108077, 125097, 143129, 230251, 324231, 429387, 690753, 756539, 2269617, 5295773, 15887319]

約数ペア:

[(1, 15887319), (3, 5295773), (7, 2269617), (21, 756539), (23, 690753), (37, 429387), (49, 324231), (69, 230251), (111, 143129), (127, 125097), (147, 108077), (161, 98679), (259, 61341), (381, 41699), (483, 32893), (777, 20447), (851, 18669), (889, 17871), (1127, 14097), (1813, 8763), (2553, 6223), (2667, 5957), (2921, 5439), (3381, 4699)]