228888009

素因数分解:

$3^2\times 7^1\times {\mathrm{199}}^1\times {\mathrm{18257}}^1$

素因数の和:18469

約数の個数: 24

約数和(自身を含む): 379766400

約数和(自身を除く): 150878391

約数列:

[1, 3, 7, 9, 21, 63, 199, 597, 1393, 1791, 4179, 12537, 18257, 54771, 127799, 164313, 383397, 1150191, 3633143, 10899429, 25432001, 32698287, 76296003, 228888009]

約数ペア:

[(1, 228888009), (3, 76296003), (7, 32698287), (9, 25432001), (21, 10899429), (63, 3633143), (199, 1150191), (597, 383397), (1393, 164313), (1791, 127799), (4179, 54771), (12537, 18257)]