198150981

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{6803}}^1$

素因数の和:6905

約数の個数: 32

約数和(自身を含む): 322237440

約数和(自身を除く): 124086459

約数列:

[1, 3, 7, 19, 21, 57, 73, 133, 219, 399, 511, 1387, 1533, 4161, 6803, 9709, 20409, 29127, 47621, 129257, 142863, 387771, 496619, 904799, 1489857, 2714397, 3476333, 9435761, 10428999, 28307283, 66050327, 198150981]

約数ペア:

[(1, 198150981), (3, 66050327), (7, 28307283), (19, 10428999), (21, 9435761), (57, 3476333), (73, 2714397), (133, 1489857), (219, 904799), (399, 496619), (511, 387771), (1387, 142863), (1533, 129257), (4161, 47621), (6803, 29127), (9709, 20409)]