856863

素因数分解:

$3^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1$

素因数の和:116

約数の個数: 36

約数和(自身を含む): 1511640

約数和(自身を除く): 654777

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 67, 87, 147, 201, 203, 261, 441, 469, 603, 609, 1407, 1421, 1827, 1943, 3283, 4221, 4263, 5829, 9849, 12789, 13601, 17487, 29547, 40803, 95207, 122409, 285621, 856863]

約数ペア:

[(1, 856863), (3, 285621), (7, 122409), (9, 95207), (21, 40803), (29, 29547), (49, 17487), (63, 13601), (67, 12789), (87, 9849), (147, 5829), (201, 4263), (203, 4221), (261, 3283), (441, 1943), (469, 1827), (603, 1421), (609, 1407)]