13280355

素因数分解:

$3^4\times 5^1\times {\mathrm{11}}^2\times {\mathrm{271}}^1$

素因数の和:310

約数の個数: 60

約数和(自身を含む): 26263776

約数和(自身を除く): 12983421

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 81, 99, 121, 135, 165, 271, 297, 363, 405, 495, 605, 813, 891, 1089, 1355, 1485, 1815, 2439, 2981, 3267, 4065, 4455, 5445, 7317, 8943, 9801, 12195, 14905, 16335, 21951, 26829, 32791, 36585, 44715, 49005, 80487, 98373, 109755, 134145, 163955, 241461, 295119, 402435, 491865, 885357, 1207305, 1475595, 2656071, 4426785, 13280355]

約数ペア:

[(1, 13280355), (3, 4426785), (5, 2656071), (9, 1475595), (11, 1207305), (15, 885357), (27, 491865), (33, 402435), (45, 295119), (55, 241461), (81, 163955), (99, 134145), (121, 109755), (135, 98373), (165, 80487), (271, 49005), (297, 44715), (363, 36585), (405, 32791), (495, 26829), (605, 21951), (813, 16335), (891, 14905), (1089, 12195), (1355, 9801), (1485, 8943), (1815, 7317), (2439, 5445), (2981, 4455), (3267, 4065)]