208040427

素因数分解:

$3^3\times 7^2\times {\mathrm{67}}^1\times {\mathrm{2347}}^1$

素因数の和:2437

約数の個数: 48

約数和(自身を含む): 364033920

約数和(自身を除く): 155993493

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 67, 147, 189, 201, 441, 469, 603, 1323, 1407, 1809, 2347, 3283, 4221, 7041, 9849, 12663, 16429, 21123, 29547, 49287, 63369, 88641, 115003, 147861, 157249, 345009, 443583, 471747, 1035027, 1100743, 1415241, 3105081, 3302229, 4245723, 7705201, 9906687, 23115603, 29720061, 69346809, 208040427]

約数ペア:

[(1, 208040427), (3, 69346809), (7, 29720061), (9, 23115603), (21, 9906687), (27, 7705201), (49, 4245723), (63, 3302229), (67, 3105081), (147, 1415241), (189, 1100743), (201, 1035027), (441, 471747), (469, 443583), (603, 345009), (1323, 157249), (1407, 147861), (1809, 115003), (2347, 88641), (3283, 63369), (4221, 49287), (7041, 29547), (9849, 21123), (12663, 16429)]