27431985

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 53932032

約数和(自身を除く): 26500047

約数列:

[1, 3, 5, 7, 15, 21, 23, 35, 37, 69, 105, 111, 115, 161, 185, 259, 307, 345, 483, 555, 777, 805, 851, 921, 1295, 1535, 2149, 2415, 2553, 3885, 4255, 4605, 5957, 6447, 7061, 10745, 11359, 12765, 17871, 21183, 29785, 32235, 34077, 35305, 49427, 56795, 79513, 89355, 105915, 148281, 170385, 238539, 247135, 261257, 397565, 741405, 783771, 1192695, 1306285, 1828799, 3918855, 5486397, 9143995, 27431985]

約数ペア:

[(1, 27431985), (3, 9143995), (5, 5486397), (7, 3918855), (15, 1828799), (21, 1306285), (23, 1192695), (35, 783771), (37, 741405), (69, 397565), (105, 261257), (111, 247135), (115, 238539), (161, 170385), (185, 148281), (259, 105915), (307, 89355), (345, 79513), (483, 56795), (555, 49427), (777, 35305), (805, 34077), (851, 32235), (921, 29785), (1295, 21183), (1535, 17871), (2149, 12765), (2415, 11359), (2553, 10745), (3885, 7061), (4255, 6447), (4605, 5957)]