27719937

素因数分解:

$3^2\times 7^2\times {\mathrm{239}}^1\times {\mathrm{263}}^1$

素因数の和:522

約数の個数: 36

約数和(自身を含む): 46949760

約数和(自身を除く): 19229823

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 239, 263, 441, 717, 789, 1673, 1841, 2151, 2367, 5019, 5523, 11711, 12887, 15057, 16569, 35133, 38661, 62857, 105399, 115983, 188571, 439999, 565713, 1319997, 3079993, 3959991, 9239979, 27719937]

約数ペア:

[(1, 27719937), (3, 9239979), (7, 3959991), (9, 3079993), (21, 1319997), (49, 565713), (63, 439999), (147, 188571), (239, 115983), (263, 105399), (441, 62857), (717, 38661), (789, 35133), (1673, 16569), (1841, 15057), (2151, 12887), (2367, 11711), (5019, 5523)]