401868747

素因数分解:

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

素因数の和:190

約数の個数: 72

約数和(自身を含む): 710892000

約数和(自身を除く): 309023253

約数列:

[1, 3, 7, 9, 21, 29, 49, 63, 67, 87, 147, 201, 203, 261, 343, 441, 469, 603, 609, 1029, 1407, 1421, 1827, 1943, 3087, 3283, 4221, 4263, 4489, 5829, 9849, 9947, 12789, 13467, 13601, 17487, 22981, 29547, 29841, 31423, 40401, 40803, 68943, 89523, 94269, 95207, 122409, 130181, 206829, 219961, 282807, 285621, 390543, 659883, 666449, 856863, 911267, 1171629, 1539727, 1979649, 1999347, 2733801, 4619181, 5998041, 6378869, 8201403, 13857543, 19136607, 44652083, 57409821, 133956249, 401868747]

約数ペア:

[(1, 401868747), (3, 133956249), (7, 57409821), (9, 44652083), (21, 19136607), (29, 13857543), (49, 8201403), (63, 6378869), (67, 5998041), (87, 4619181), (147, 2733801), (201, 1999347), (203, 1979649), (261, 1539727), (343, 1171629), (441, 911267), (469, 856863), (603, 666449), (609, 659883), (1029, 390543), (1407, 285621), (1421, 282807), (1827, 219961), (1943, 206829), (3087, 130181), (3283, 122409), (4221, 95207), (4263, 94269), (4489, 89523), (5829, 68943), (9849, 40803), (9947, 40401), (12789, 31423), (13467, 29841), (13601, 29547), (17487, 22981)]