31821465

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3079}}^1$

素因数の和:3153

約数の個数: 32

約数和(自身を含む): 55883520

約数和(自身を除く): 24062055

約数列:

[1, 3, 5, 13, 15, 39, 53, 65, 159, 195, 265, 689, 795, 2067, 3079, 3445, 9237, 10335, 15395, 40027, 46185, 120081, 163187, 200135, 489561, 600405, 815935, 2121431, 2447805, 6364293, 10607155, 31821465]

約数ペア:

[(1, 31821465), (3, 10607155), (5, 6364293), (13, 2447805), (15, 2121431), (39, 815935), (53, 600405), (65, 489561), (159, 200135), (195, 163187), (265, 120081), (689, 46185), (795, 40027), (2067, 15395), (3079, 10335), (3445, 9237)]