1285263

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{887}}^1$

素因数の和:923

約数の個数: 24

約数和(自身を含む): 2216448

約数和(自身を除く): 931185

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 887, 1449, 2661, 6209, 7983, 18627, 20401, 55881, 61203, 142807, 183609, 428421, 1285263]

約数ペア:

[(1, 1285263), (3, 428421), (7, 183609), (9, 142807), (21, 61203), (23, 55881), (63, 20401), (69, 18627), (161, 7983), (207, 6209), (483, 2661), (887, 1449)]