81072117

素因数分解:

$3^3\times 7^2\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:519

約数の個数: 48

約数和(自身を含む): 140849280

約数和(自身を除く): 59777163

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 147, 189, 233, 263, 441, 699, 789, 1323, 1631, 1841, 2097, 2367, 4893, 5523, 6291, 7101, 11417, 12887, 14679, 16569, 34251, 38661, 44037, 49707, 61279, 102753, 115983, 183837, 308259, 347949, 428953, 551511, 1286859, 1654533, 3002671, 3860577, 9008013, 11581731, 27024039, 81072117]

約数ペア:

[(1, 81072117), (3, 27024039), (7, 11581731), (9, 9008013), (21, 3860577), (27, 3002671), (49, 1654533), (63, 1286859), (147, 551511), (189, 428953), (233, 347949), (263, 308259), (441, 183837), (699, 115983), (789, 102753), (1323, 61279), (1631, 49707), (1841, 44037), (2097, 38661), (2367, 34251), (4893, 16569), (5523, 14679), (6291, 12887), (7101, 11417)]