65204181

素因数分解:

$3^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 117921024

約数和(自身を除く): 52716843

約数列:

[1, 3, 7, 9, 19, 21, 47, 57, 61, 63, 133, 141, 171, 183, 329, 361, 399, 423, 427, 549, 893, 987, 1083, 1159, 1197, 1281, 2527, 2679, 2867, 2961, 3249, 3477, 3843, 6251, 7581, 8037, 8113, 8601, 10431, 16967, 18753, 20069, 22021, 22743, 24339, 25803, 50901, 54473, 56259, 60207, 66063, 73017, 118769, 152703, 154147, 163419, 180621, 198189, 356307, 381311, 462441, 490257, 1034987, 1068921, 1143933, 1387323, 3104961, 3431799, 7244909, 9314883, 21734727, 65204181]

約数ペア:

[(1, 65204181), (3, 21734727), (7, 9314883), (9, 7244909), (19, 3431799), (21, 3104961), (47, 1387323), (57, 1143933), (61, 1068921), (63, 1034987), (133, 490257), (141, 462441), (171, 381311), (183, 356307), (329, 198189), (361, 180621), (399, 163419), (423, 154147), (427, 152703), (549, 118769), (893, 73017), (987, 66063), (1083, 60207), (1159, 56259), (1197, 54473), (1281, 50901), (2527, 25803), (2679, 24339), (2867, 22743), (2961, 22021), (3249, 20069), (3477, 18753), (3843, 16967), (6251, 10431), (7581, 8601), (8037, 8113)]