2731155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^2$

素因数の和:108

約数の個数: 48

約数和(自身を含む): 5402880

約数和(自身を除く): 2671725

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 37, 57, 95, 105, 111, 133, 185, 259, 285, 399, 555, 665, 703, 777, 1295, 1369, 1995, 2109, 3515, 3885, 4107, 4921, 6845, 9583, 10545, 14763, 20535, 24605, 26011, 28749, 47915, 73815, 78033, 130055, 143745, 182077, 390165, 546231, 910385, 2731155]

約数ペア:

[(1, 2731155), (3, 910385), (5, 546231), (7, 390165), (15, 182077), (19, 143745), (21, 130055), (35, 78033), (37, 73815), (57, 47915), (95, 28749), (105, 26011), (111, 24605), (133, 20535), (185, 14763), (259, 10545), (285, 9583), (399, 6845), (555, 4921), (665, 4107), (703, 3885), (777, 3515), (1295, 2109), (1369, 1995)]