16247385

素因数分解:

$3^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{521}}^1$

素因数の和:556

約数の個数: 80

約数和(自身を含む): 36381312

約数和(自身を除く): 20133927

約数列:

[1, 3, 5, 7, 9, 11, 15, 21, 27, 33, 35, 45, 55, 63, 77, 81, 99, 105, 135, 165, 189, 231, 297, 315, 385, 405, 495, 521, 567, 693, 891, 945, 1155, 1485, 1563, 2079, 2605, 2835, 3465, 3647, 4455, 4689, 5731, 6237, 7815, 10395, 10941, 14067, 17193, 18235, 23445, 28655, 31185, 32823, 40117, 42201, 51579, 54705, 70335, 85965, 98469, 120351, 154737, 164115, 200585, 211005, 257895, 295407, 361053, 464211, 492345, 601755, 773685, 1083159, 1477035, 1805265, 2321055, 3249477, 5415795, 16247385]

約数ペア:

[(1, 16247385), (3, 5415795), (5, 3249477), (7, 2321055), (9, 1805265), (11, 1477035), (15, 1083159), (21, 773685), (27, 601755), (33, 492345), (35, 464211), (45, 361053), (55, 295407), (63, 257895), (77, 211005), (81, 200585), (99, 164115), (105, 154737), (135, 120351), (165, 98469), (189, 85965), (231, 70335), (297, 54705), (315, 51579), (385, 42201), (405, 40117), (495, 32823), (521, 31185), (567, 28655), (693, 23445), (891, 18235), (945, 17193), (1155, 14067), (1485, 10941), (1563, 10395), (2079, 7815), (2605, 6237), (2835, 5731), (3465, 4689), (3647, 4455)]