2558325

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{443}}^1$

素因数の和:474

約数の個数: 48

約数和(自身を含む): 5285376

約数和(自身を除く): 2727051

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 165, 175, 231, 275, 385, 443, 525, 825, 1155, 1329, 1925, 2215, 3101, 4873, 5775, 6645, 9303, 11075, 14619, 15505, 24365, 33225, 34111, 46515, 73095, 77525, 102333, 121825, 170555, 232575, 365475, 511665, 852775, 2558325]

約数ペア:

[(1, 2558325), (3, 852775), (5, 511665), (7, 365475), (11, 232575), (15, 170555), (21, 121825), (25, 102333), (33, 77525), (35, 73095), (55, 46515), (75, 34111), (77, 33225), (105, 24365), (165, 15505), (175, 14619), (231, 11075), (275, 9303), (385, 6645), (443, 5775), (525, 4873), (825, 3101), (1155, 2215), (1329, 1925)]