179973711

素因数分解:

$3^3\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{421}}^1$

素因数の和:724

約数の個数: 32

約数和(自身を含む): 272240640

約数和(自身を除く): 92266929

約数列:

[1, 3, 9, 27, 71, 213, 223, 421, 639, 669, 1263, 1917, 2007, 3789, 6021, 11367, 15833, 29891, 47499, 89673, 93883, 142497, 269019, 281649, 427491, 807057, 844947, 2534841, 6665693, 19997079, 59991237, 179973711]

約数ペア:

[(1, 179973711), (3, 59991237), (9, 19997079), (27, 6665693), (71, 2534841), (213, 844947), (223, 807057), (421, 427491), (639, 281649), (669, 269019), (1263, 142497), (1917, 93883), (2007, 89673), (3789, 47499), (6021, 29891), (11367, 15833)]