199187685

素因数分解:

$3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{22469}}^1$

素因数の和:22677

約数の個数: 24

約数和(自身を含む): 347026680

約数和(自身を除く): 147838995

約数列:

[1, 3, 5, 9, 15, 45, 197, 591, 985, 1773, 2955, 8865, 22469, 67407, 112345, 202221, 337035, 1011105, 4426393, 13279179, 22131965, 39837537, 66395895, 199187685]

約数ペア:

[(1, 199187685), (3, 66395895), (5, 39837537), (9, 22131965), (15, 13279179), (45, 4426393), (197, 1011105), (591, 337035), (985, 202221), (1773, 112345), (2955, 67407), (8865, 22469)]