2187945

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{853}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 4099200

約数和(自身を除く): 1911255

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 853, 855, 2559, 2565, 4265, 7677, 12795, 16207, 23031, 38385, 48621, 81035, 115155, 145863, 243105, 437589, 729315, 2187945]

約数ペア:

[(1, 2187945), (3, 729315), (5, 437589), (9, 243105), (15, 145863), (19, 115155), (27, 81035), (45, 48621), (57, 38385), (95, 23031), (135, 16207), (171, 12795), (285, 7677), (513, 4265), (853, 2565), (855, 2559)]