64689219

素因数分解:

$3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{181}}^1$

素因数の和:289

約数の個数: 64

約数和(自身を含む): 115548160

約数和(自身を除く): 50858941

約数列:

[1, 3, 7, 9, 21, 27, 31, 61, 63, 93, 181, 183, 189, 217, 279, 427, 543, 549, 651, 837, 1267, 1281, 1629, 1647, 1891, 1953, 3801, 3843, 4887, 5611, 5673, 5859, 11041, 11403, 11529, 13237, 16833, 17019, 33123, 34209, 39277, 39711, 50499, 51057, 77287, 99369, 117831, 119133, 151497, 231861, 298107, 342271, 353493, 357399, 695583, 1026813, 1060479, 2086749, 2395897, 3080439, 7187691, 9241317, 21563073, 64689219]

約数ペア:

[(1, 64689219), (3, 21563073), (7, 9241317), (9, 7187691), (21, 3080439), (27, 2395897), (31, 2086749), (61, 1060479), (63, 1026813), (93, 695583), (181, 357399), (183, 353493), (189, 342271), (217, 298107), (279, 231861), (427, 151497), (543, 119133), (549, 117831), (651, 99369), (837, 77287), (1267, 51057), (1281, 50499), (1629, 39711), (1647, 39277), (1891, 34209), (1953, 33123), (3801, 17019), (3843, 16833), (4887, 13237), (5611, 11529), (5673, 11403), (5859, 11041)]