66667755

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{197}}^1\times {\mathrm{293}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 134120448

約数和(自身を除く): 67452693

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 165, 197, 231, 293, 385, 591, 879, 985, 1155, 1379, 1465, 2051, 2167, 2955, 3223, 4137, 4395, 6153, 6501, 6895, 9669, 10255, 10835, 15169, 16115, 20685, 22561, 30765, 32505, 45507, 48345, 57721, 67683, 75845, 112805, 173163, 227535, 288605, 338415, 404047, 634931, 865815, 1212141, 1904793, 2020235, 3174655, 4444517, 6060705, 9523965, 13333551, 22222585, 66667755]

約数ペア:

[(1, 66667755), (3, 22222585), (5, 13333551), (7, 9523965), (11, 6060705), (15, 4444517), (21, 3174655), (33, 2020235), (35, 1904793), (55, 1212141), (77, 865815), (105, 634931), (165, 404047), (197, 338415), (231, 288605), (293, 227535), (385, 173163), (591, 112805), (879, 75845), (985, 67683), (1155, 57721), (1379, 48345), (1465, 45507), (2051, 32505), (2167, 30765), (2955, 22561), (3223, 20685), (4137, 16115), (4395, 15169), (6153, 10835), (6501, 10255), (6895, 9669)]