204470973

素因数分解:

$3^4\times 7^2\times {\mathrm{51517}}^1$

素因数の和:51543

約数の個数: 30

約数和(自身を含む): 355319646

約数和(自身を除く): 150848673

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 51517, 154551, 360619, 463653, 1081857, 1390959, 2524333, 3245571, 4172877, 7572999, 9736713, 22718997, 29210139, 68156991, 204470973]

約数ペア:

[(1, 204470973), (3, 68156991), (7, 29210139), (9, 22718997), (21, 9736713), (27, 7572999), (49, 4172877), (63, 3245571), (81, 2524333), (147, 1390959), (189, 1081857), (441, 463653), (567, 360619), (1323, 154551), (3969, 51517)]