918881487

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{331}}^1\times {\mathrm{13411}}^1$

素因数の和:13771

約数の個数: 24

約数和(自身を含む): 1389268608

約数和(自身を除く): 470387121

約数列:

[1, 3, 9, 23, 69, 207, 331, 993, 2979, 7613, 13411, 22839, 40233, 68517, 120699, 308453, 925359, 2776077, 4439041, 13317123, 39951369, 102097943, 306293829, 918881487]

約数ペア:

[(1, 918881487), (3, 306293829), (9, 102097943), (23, 39951369), (69, 13317123), (207, 4439041), (331, 2776077), (993, 925359), (2979, 308453), (7613, 120699), (13411, 68517), (22839, 40233)]