261735201

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:144

約数の個数: 96

約数和(自身を含む): 491079680

約数和(自身を除く): 229344479

約数列:

[1, 3, 7, 9, 13, 21, 31, 39, 61, 63, 91, 93, 117, 169, 183, 217, 273, 279, 403, 427, 507, 549, 651, 793, 819, 1183, 1209, 1281, 1521, 1891, 1953, 2197, 2379, 2821, 3549, 3627, 3843, 5239, 5551, 5673, 6591, 7137, 8463, 10309, 10647, 13237, 15379, 15717, 16653, 17019, 19773, 24583, 25389, 30927, 36673, 39711, 46137, 47151, 49959, 68107, 72163, 73749, 92781, 110019, 119133, 134017, 138411, 172081, 204321, 216489, 221247, 319579, 330057, 402051, 476749, 516243, 612963, 649467, 938119, 958737, 1206153, 1430247, 1548729, 2237053, 2814357, 2876211, 4154527, 4290741, 6711159, 8443071, 12463581, 20133477, 29081689, 37390743, 87245067, 261735201]

約数ペア:

[(1, 261735201), (3, 87245067), (7, 37390743), (9, 29081689), (13, 20133477), (21, 12463581), (31, 8443071), (39, 6711159), (61, 4290741), (63, 4154527), (91, 2876211), (93, 2814357), (117, 2237053), (169, 1548729), (183, 1430247), (217, 1206153), (273, 958737), (279, 938119), (403, 649467), (427, 612963), (507, 516243), (549, 476749), (651, 402051), (793, 330057), (819, 319579), (1183, 221247), (1209, 216489), (1281, 204321), (1521, 172081), (1891, 138411), (1953, 134017), (2197, 119133), (2379, 110019), (2821, 92781), (3549, 73749), (3627, 72163), (3843, 68107), (5239, 49959), (5551, 47151), (5673, 46137), (6591, 39711), (7137, 36673), (8463, 30927), (10309, 25389), (10647, 24583), (13237, 19773), (15379, 17019), (15717, 16653)]