28973043

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{211}}^1$

素因数の和:320

約数の個数: 48

約数和(自身を含む): 48946560

約数和(自身を除く): 19973517

約数列:

[1, 3, 9, 11, 19, 33, 57, 73, 99, 171, 209, 211, 219, 627, 633, 657, 803, 1387, 1881, 1899, 2321, 2409, 4009, 4161, 6963, 7227, 12027, 12483, 15257, 15403, 20889, 36081, 44099, 45771, 46209, 132297, 137313, 138627, 169433, 292657, 396891, 508299, 877971, 1524897, 2633913, 3219227, 9657681, 28973043]

約数ペア:

[(1, 28973043), (3, 9657681), (9, 3219227), (11, 2633913), (19, 1524897), (33, 877971), (57, 508299), (73, 396891), (99, 292657), (171, 169433), (209, 138627), (211, 137313), (219, 132297), (627, 46209), (633, 45771), (657, 44099), (803, 36081), (1387, 20889), (1881, 15403), (1899, 15257), (2321, 12483), (2409, 12027), (4009, 7227), (4161, 6963)]