221152337

素因数分解:

$7^3\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:175

約数の個数: 48

約数和(自身を含む): 288825600

約数和(自身を除く): 67673263

約数列:

[1, 7, 17, 23, 49, 97, 119, 161, 289, 343, 391, 679, 833, 1127, 1649, 2023, 2231, 2737, 4753, 5831, 6647, 7889, 11543, 14161, 15617, 19159, 28033, 33271, 37927, 46529, 80801, 99127, 109319, 134113, 196231, 265489, 325703, 565607, 644759, 765233, 1373617, 1858423, 2279921, 4513313, 9615319, 13008961, 31593191, 221152337]

約数ペア:

[(1, 221152337), (7, 31593191), (17, 13008961), (23, 9615319), (49, 4513313), (97, 2279921), (119, 1858423), (161, 1373617), (289, 765233), (343, 644759), (391, 565607), (679, 325703), (833, 265489), (1127, 196231), (1649, 134113), (2023, 109319), (2231, 99127), (2737, 80801), (4753, 46529), (5831, 37927), (6647, 33271), (7889, 28033), (11543, 19159), (14161, 15617)]