81644013

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{349}}^1$

素因数の和:522

約数の個数: 48

約数和(自身を含む): 137592000

約数和(自身を除く): 55947987

約数列:

[1, 3, 9, 11, 17, 33, 51, 99, 139, 153, 187, 349, 417, 561, 1047, 1251, 1529, 1683, 2363, 3141, 3839, 4587, 5933, 7089, 11517, 13761, 17799, 21267, 25993, 34551, 48511, 53397, 65263, 77979, 145533, 195789, 233937, 436599, 533621, 587367, 824687, 1600863, 2474061, 4802589, 7422183, 9071557, 27214671, 81644013]

約数ペア:

[(1, 81644013), (3, 27214671), (9, 9071557), (11, 7422183), (17, 4802589), (33, 2474061), (51, 1600863), (99, 824687), (139, 587367), (153, 533621), (187, 436599), (349, 233937), (417, 195789), (561, 145533), (1047, 77979), (1251, 65263), (1529, 53397), (1683, 48511), (2363, 34551), (3141, 25993), (3839, 21267), (4587, 17799), (5933, 13761), (7089, 11517)]