218878299

素因数分解:

$3^2\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{2087}}^1$

素因数の和:2407

約数の個数: 24

約数和(自身を含む): 324859392

約数和(自身を除く): 105981093

約数列:

[1, 3, 9, 43, 129, 271, 387, 813, 2087, 2439, 6261, 11653, 18783, 34959, 89741, 104877, 269223, 565577, 807669, 1696731, 5090193, 24319811, 72959433, 218878299]

約数ペア:

[(1, 218878299), (3, 72959433), (9, 24319811), (43, 5090193), (129, 1696731), (271, 807669), (387, 565577), (813, 269223), (2087, 104877), (2439, 89741), (6261, 34959), (11653, 18783)]