256089735

素因数分解:

$3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{521}}^1$

素因数の和:877

約数の個数: 64

約数和(自身を含む): 499115520

約数和(自身を除く): 243025785

約数列:

[1, 3, 5, 9, 11, 15, 27, 33, 45, 55, 99, 135, 165, 297, 331, 495, 521, 993, 1485, 1563, 1655, 2605, 2979, 3641, 4689, 4965, 5731, 7815, 8937, 10923, 14067, 14895, 17193, 18205, 23445, 28655, 32769, 44685, 51579, 54615, 70335, 85965, 98307, 154737, 163845, 172451, 257895, 491535, 517353, 773685, 862255, 1552059, 1896961, 2586765, 4656177, 5690883, 7760295, 9484805, 17072649, 23280885, 28454415, 51217947, 85363245, 256089735]

約数ペア:

[(1, 256089735), (3, 85363245), (5, 51217947), (9, 28454415), (11, 23280885), (15, 17072649), (27, 9484805), (33, 7760295), (45, 5690883), (55, 4656177), (99, 2586765), (135, 1896961), (165, 1552059), (297, 862255), (331, 773685), (495, 517353), (521, 491535), (993, 257895), (1485, 172451), (1563, 163845), (1655, 154737), (2605, 98307), (2979, 85965), (3641, 70335), (4689, 54615), (4965, 51579), (5731, 44685), (7815, 32769), (8937, 28655), (10923, 23445), (14067, 18205), (14895, 17193)]