199737315

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{22531}}^1$

素因数の和:22739

約数の個数: 24

約数和(自身を含む): 347984208

約数和(自身を除く): 148246893

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8865, 22531, 67593, 112655, 202779, 337965, 1013895, 4438607, 13315821, 22193035, 39947463, 66579105, 199737315]

約数ペア:

[(1, 199737315), (3, 66579105), (5, 39947463), (9, 22193035), (15, 13315821), (45, 4438607), (197, 1013895), (591, 337965), (985, 202779), (1773, 112655), (2955, 67593), (8865, 22531)]