257058819

素因数分解:

$3^3\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{9181}}^1$

素因数の和:9268

約数の個数: 32

約数和(自身を含む): 409884480

約数和(自身を除く): 152825661

約数列:

[1, 3, 9, 17, 27, 51, 61, 153, 183, 459, 549, 1037, 1647, 3111, 9181, 9333, 27543, 27999, 82629, 156077, 247887, 468231, 560041, 1404693, 1680123, 4214079, 5040369, 9520697, 15121107, 28562091, 85686273, 257058819]

約数ペア:

[(1, 257058819), (3, 85686273), (9, 28562091), (17, 15121107), (27, 9520697), (51, 5040369), (61, 4214079), (153, 1680123), (183, 1404693), (459, 560041), (549, 468231), (1037, 247887), (1647, 156077), (3111, 82629), (9181, 27999), (9333, 27543)]