81661545

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{6323}}^1$

素因数の和:6382

約数の個数: 48

約数和(自身を含む): 165739392

約数和(自身を除く): 84077847

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 41, 45, 63, 105, 123, 205, 287, 315, 369, 615, 861, 1435, 1845, 2583, 4305, 6323, 12915, 18969, 31615, 44261, 56907, 94845, 132783, 221305, 259243, 284535, 398349, 663915, 777729, 1296215, 1814701, 1991745, 2333187, 3888645, 5444103, 9073505, 11665935, 16332309, 27220515, 81661545]

約数ペア:

[(1, 81661545), (3, 27220515), (5, 16332309), (7, 11665935), (9, 9073505), (15, 5444103), (21, 3888645), (35, 2333187), (41, 1991745), (45, 1814701), (63, 1296215), (105, 777729), (123, 663915), (205, 398349), (287, 284535), (315, 259243), (369, 221305), (615, 132783), (861, 94845), (1435, 56907), (1845, 44261), (2583, 31615), (4305, 18969), (6323, 12915)]