679551453

素因数分解:

$3^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{211}}^1$

素因数の和:407

約数の個数: 72

約数和(自身を含む): 1175048160

約数和(自身を除く): 495496707

約数列:

[1, 3, 7, 9, 21, 49, 63, 67, 109, 147, 201, 211, 327, 441, 469, 603, 633, 763, 981, 1407, 1477, 1899, 2289, 3283, 4221, 4431, 5341, 6867, 7303, 9849, 10339, 13293, 14137, 16023, 21909, 22999, 29547, 31017, 42411, 48069, 51121, 65727, 68997, 93051, 98959, 127233, 153363, 160993, 206991, 296877, 357847, 460089, 482979, 692713, 890631, 1073541, 1126951, 1448937, 1540933, 2078139, 3220623, 3380853, 4622799, 6234417, 10142559, 10786531, 13868397, 32359593, 75505717, 97078779, 226517151, 679551453]

約数ペア:

[(1, 679551453), (3, 226517151), (7, 97078779), (9, 75505717), (21, 32359593), (49, 13868397), (63, 10786531), (67, 10142559), (109, 6234417), (147, 4622799), (201, 3380853), (211, 3220623), (327, 2078139), (441, 1540933), (469, 1448937), (603, 1126951), (633, 1073541), (763, 890631), (981, 692713), (1407, 482979), (1477, 460089), (1899, 357847), (2289, 296877), (3283, 206991), (4221, 160993), (4431, 153363), (5341, 127233), (6867, 98959), (7303, 93051), (9849, 68997), (10339, 65727), (13293, 51121), (14137, 48069), (16023, 42411), (21909, 31017), (22999, 29547)]