204558291

素因数分解:

$3^4\times 7^2\times {\mathrm{51539}}^1$

素因数の和:51565

約数の個数: 30

約数和(自身を含む): 355471380

約数和(自身を除く): 150913089

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 51539, 154617, 360773, 463851, 1082319, 1391553, 2525411, 3246957, 4174659, 7576233, 9740871, 22728699, 29222613, 68186097, 204558291]

約数ペア:

[(1, 204558291), (3, 68186097), (7, 29222613), (9, 22728699), (21, 9740871), (27, 7576233), (49, 4174659), (63, 3246957), (81, 2525411), (147, 1391553), (189, 1082319), (441, 463851), (567, 360773), (1323, 154617), (3969, 51539)]