1728269973

素因数分解:

$3^3\times {\mathrm{157}}^1\times {\mathrm{407707}}^1$

素因数の和:407873

約数の個数: 16

約数和(自身を含む): 2576714560

約数和(自身を除く): 848444587

約数列:

[1, 3, 9, 27, 157, 471, 1413, 4239, 407707, 1223121, 3669363, 11008089, 64009999, 192029997, 576089991, 1728269973]

約数ペア:

[(1, 1728269973), (3, 576089991), (9, 192029997), (27, 64009999), (157, 11008089), (471, 3669363), (1413, 1223121), (4239, 407707)]