4217805

素因数分解:

$3^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{199}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 7584000

約数和(自身を除く): 3366195

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 157, 199, 471, 597, 785, 995, 1413, 1791, 2355, 2985, 4239, 5373, 7065, 8955, 21195, 26865, 31243, 93729, 156215, 281187, 468645, 843561, 1405935, 4217805]

約数ペア:

[(1, 4217805), (3, 1405935), (5, 843561), (9, 468645), (15, 281187), (27, 156215), (45, 93729), (135, 31243), (157, 26865), (199, 21195), (471, 8955), (597, 7065), (785, 5373), (995, 4239), (1413, 2985), (1791, 2355)]