678012363

素因数分解:

$3^4\times 7^2\times {\mathrm{170827}}^1$

素因数の和:170853

約数の個数: 30

約数和(自身を含む): 1178200716

約数和(自身を除く): 500188353

約数列:

[1, 3, 7, 9, 21, 27, 49, 63, 81, 147, 189, 441, 567, 1323, 3969, 170827, 512481, 1195789, 1537443, 3587367, 4612329, 8370523, 10762101, 13836987, 25111569, 32286303, 75334707, 96858909, 226004121, 678012363]

約数ペア:

[(1, 678012363), (3, 226004121), (7, 96858909), (9, 75334707), (21, 32286303), (27, 25111569), (49, 13836987), (63, 10762101), (81, 8370523), (147, 4612329), (189, 3587367), (441, 1537443), (567, 1195789), (1323, 512481), (3969, 170827)]