201649287

素因数分解:

$3^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{199}}^1\times {\mathrm{661}}^1$

素因数の和:943

約数の個数: 32

約数和(自身を含む): 313523200

約数和(自身を除く): 111873913

約数列:

[1, 3, 7, 21, 73, 199, 219, 511, 597, 661, 1393, 1533, 1983, 4179, 4627, 13881, 14527, 43581, 48253, 101689, 131539, 144759, 305067, 337771, 394617, 920773, 1013313, 2762319, 9602347, 28807041, 67216429, 201649287]

約数ペア:

[(1, 201649287), (3, 67216429), (7, 28807041), (21, 9602347), (73, 2762319), (199, 1013313), (219, 920773), (511, 394617), (597, 337771), (661, 305067), (1393, 144759), (1533, 131539), (1983, 101689), (4179, 48253), (4627, 43581), (13881, 14527)]