165321945

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{64453}}^1$

素因数の和:64486

約数の個数: 32

約数和(自身を含む): 309379200

約数和(自身を除く): 144057255

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 855, 2565, 64453, 193359, 322265, 580077, 966795, 1224607, 1740231, 2900385, 3673821, 6123035, 8701155, 11021463, 18369105, 33064389, 55107315, 165321945]

約数ペア:

[(1, 165321945), (3, 55107315), (5, 33064389), (9, 18369105), (15, 11021463), (19, 8701155), (27, 6123035), (45, 3673821), (57, 2900385), (95, 1740231), (135, 1224607), (171, 966795), (285, 580077), (513, 322265), (855, 193359), (2565, 64453)]