171520983

素因数分解:

$3^4\times {\mathrm{109}}^1\times {\mathrm{19427}}^1$

素因数の和:19548

約数の個数: 20

約数和(自身を含む): 258586680

約数和(自身を除く): 87065697

約数列:

[1, 3, 9, 27, 81, 109, 327, 981, 2943, 8829, 19427, 58281, 174843, 524529, 1573587, 2117543, 6352629, 19057887, 57173661, 171520983]

約数ペア:

[(1, 171520983), (3, 57173661), (9, 19057887), (27, 6352629), (81, 2117543), (109, 1573587), (327, 524529), (981, 174843), (2943, 58281), (8829, 19427)]