18176571

素因数分解:

$3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{227}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 31868928

約数和(自身を除く): 13692357

約数列:

[1, 3, 7, 9, 21, 31, 41, 63, 93, 123, 217, 227, 279, 287, 369, 651, 681, 861, 1271, 1589, 1953, 2043, 2583, 3813, 4767, 7037, 8897, 9307, 11439, 14301, 21111, 26691, 27921, 49259, 63333, 65149, 80073, 83763, 147777, 195447, 288517, 443331, 586341, 865551, 2019619, 2596653, 6058857, 18176571]

約数ペア:

[(1, 18176571), (3, 6058857), (7, 2596653), (9, 2019619), (21, 865551), (31, 586341), (41, 443331), (63, 288517), (93, 195447), (123, 147777), (217, 83763), (227, 80073), (279, 65149), (287, 63333), (369, 49259), (651, 27921), (681, 26691), (861, 21111), (1271, 14301), (1589, 11439), (1953, 9307), (2043, 8897), (2583, 7037), (3813, 4767)]