16721846397

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{821}}^1\times {\mathrm{1069}}^1$

素因数の和:1998

約数の個数: 48

約数和(自身を含む): 25383524400

約数和(自身を除く): 8661678003

約数列:

[1, 3, 9, 29, 73, 87, 219, 261, 657, 821, 1069, 2117, 2463, 3207, 6351, 7389, 9621, 19053, 23809, 31001, 59933, 71427, 78037, 93003, 179799, 214281, 234111, 279009, 539397, 702333, 877649, 1738057, 2263073, 2632947, 5214171, 6789219, 7898841, 15642513, 20367657, 25451821, 64068377, 76355463, 192205131, 229066389, 576615393, 1857982933, 5573948799, 16721846397]

約数ペア:

[(1, 16721846397), (3, 5573948799), (9, 1857982933), (29, 576615393), (73, 229066389), (87, 192205131), (219, 76355463), (261, 64068377), (657, 25451821), (821, 20367657), (1069, 15642513), (2117, 7898841), (2463, 6789219), (3207, 5214171), (6351, 2632947), (7389, 2263073), (9621, 1738057), (19053, 877649), (23809, 702333), (31001, 539397), (59933, 279009), (71427, 234111), (78037, 214281), (93003, 179799)]