251144685

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1291}}^1$

素因数の和:1447

約数の個数: 64

約数和(自身を含む): 491166720

約数和(自身を除く): 240022035

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 131, 135, 165, 297, 393, 495, 655, 1179, 1291, 1441, 1485, 1965, 3537, 3873, 4323, 5895, 6455, 7205, 11619, 12969, 14201, 17685, 19365, 21615, 34857, 38907, 42603, 58095, 64845, 71005, 127809, 169121, 174285, 194535, 213015, 383427, 507363, 639045, 845605, 1522089, 1860331, 1917135, 2536815, 4566267, 5580993, 7610445, 9301655, 16742979, 22831335, 27904965, 50228937, 83714895, 251144685]

約数ペア:

[(1, 251144685), (3, 83714895), (5, 50228937), (9, 27904965), (11, 22831335), (15, 16742979), (27, 9301655), (33, 7610445), (45, 5580993), (55, 4566267), (99, 2536815), (131, 1917135), (135, 1860331), (165, 1522089), (297, 845605), (393, 639045), (495, 507363), (655, 383427), (1179, 213015), (1291, 194535), (1441, 174285), (1485, 169121), (1965, 127809), (3537, 71005), (3873, 64845), (4323, 58095), (5895, 42603), (6455, 38907), (7205, 34857), (11619, 21615), (12969, 19365), (14201, 17685)]