17985945

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1\times {\mathrm{239}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 30067200

約数和(自身を除く): 12081255

約数列:

[1, 3, 5, 15, 29, 87, 145, 173, 239, 435, 519, 717, 865, 1195, 2595, 3585, 5017, 6931, 15051, 20793, 25085, 34655, 41347, 75255, 103965, 124041, 206735, 620205, 1199063, 3597189, 5995315, 17985945]

約数ペア:

[(1, 17985945), (3, 5995315), (5, 3597189), (15, 1199063), (29, 620205), (87, 206735), (145, 124041), (173, 103965), (239, 75255), (435, 41347), (519, 34655), (717, 25085), (865, 20793), (1195, 15051), (2595, 6931), (3585, 5017)]