201812745

素因数分解:

$3^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{1399}}^1$

素因数の和:1629

約数の個数: 32

約数和(自身を含む): 330624000

約数和(自身を除く): 128811255

約数列:

[1, 3, 5, 15, 59, 163, 177, 295, 489, 815, 885, 1399, 2445, 4197, 6995, 9617, 20985, 28851, 48085, 82541, 144255, 228037, 247623, 412705, 684111, 1140185, 1238115, 3420555, 13454183, 40362549, 67270915, 201812745]

約数ペア:

[(1, 201812745), (3, 67270915), (5, 40362549), (15, 13454183), (59, 3420555), (163, 1238115), (177, 1140185), (295, 684111), (489, 412705), (815, 247623), (885, 228037), (1399, 144255), (2445, 82541), (4197, 48085), (6995, 28851), (9617, 20985)]