28717917

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1$

素因数の和:253

約数の個数: 32

約数和(自身を含む): 41489280

約数和(自身を除く): 12771363

約数列:

[1, 3, 29, 41, 83, 87, 97, 123, 249, 291, 1189, 2407, 2813, 3403, 3567, 3977, 7221, 8051, 8439, 10209, 11931, 24153, 98687, 115333, 233479, 296061, 330091, 345999, 700437, 990273, 9572639, 28717917]

約数ペア:

[(1, 28717917), (3, 9572639), (29, 990273), (41, 700437), (83, 345999), (87, 330091), (97, 296061), (123, 233479), (249, 115333), (291, 98687), (1189, 24153), (2407, 11931), (2813, 10209), (3403, 8439), (3567, 8051), (3977, 7221)]