71405565

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{293}}^1$

素因数の和:530

約数の個数: 64

約数和(自身を含む): 143603712

約数和(自身を除く): 72198147

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 211, 231, 293, 385, 633, 879, 1055, 1155, 1465, 1477, 2051, 2321, 3165, 3223, 4395, 4431, 6153, 6963, 7385, 9669, 10255, 11605, 16115, 16247, 22155, 22561, 30765, 34815, 48345, 48741, 61823, 67683, 81235, 112805, 185469, 243705, 309115, 338415, 432761, 680053, 927345, 1298283, 2040159, 2163805, 3400265, 4760371, 6491415, 10200795, 14281113, 23801855, 71405565]

約数ペア:

[(1, 71405565), (3, 23801855), (5, 14281113), (7, 10200795), (11, 6491415), (15, 4760371), (21, 3400265), (33, 2163805), (35, 2040159), (55, 1298283), (77, 927345), (105, 680053), (165, 432761), (211, 338415), (231, 309115), (293, 243705), (385, 185469), (633, 112805), (879, 81235), (1055, 67683), (1155, 61823), (1465, 48741), (1477, 48345), (2051, 34815), (2321, 30765), (3165, 22561), (3223, 22155), (4395, 16247), (4431, 16115), (6153, 11605), (6963, 10255), (7385, 9669)]