16428279

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:196

約数の個数: 48

約数和(自身を含む): 27447552

約数和(自身を除く): 11019273

約数列:

[1, 3, 7, 21, 23, 43, 49, 69, 113, 129, 147, 161, 301, 339, 483, 791, 903, 989, 1127, 2107, 2373, 2599, 2967, 3381, 4859, 5537, 6321, 6923, 7797, 14577, 16611, 18193, 20769, 34013, 48461, 54579, 102039, 111757, 127351, 145383, 238091, 335271, 382053, 714273, 782299, 2346897, 5476093, 16428279]

約数ペア:

[(1, 16428279), (3, 5476093), (7, 2346897), (21, 782299), (23, 714273), (43, 382053), (49, 335271), (69, 238091), (113, 145383), (129, 127351), (147, 111757), (161, 102039), (301, 54579), (339, 48461), (483, 34013), (791, 20769), (903, 18193), (989, 16611), (1127, 14577), (2107, 7797), (2373, 6923), (2599, 6321), (2967, 5537), (3381, 4859)]