121517355

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{643}}^1$

素因数の和:987

約数の個数: 32

約数和(自身を含む): 199938816

約数和(自身を除く): 78421461

約数列:

[1, 3, 5, 15, 43, 129, 215, 293, 643, 645, 879, 1465, 1929, 3215, 4395, 9645, 12599, 27649, 37797, 62995, 82947, 138245, 188399, 188985, 414735, 565197, 941995, 2825985, 8101157, 24303471, 40505785, 121517355]

約数ペア:

[(1, 121517355), (3, 40505785), (5, 24303471), (15, 8101157), (43, 2825985), (129, 941995), (215, 565197), (293, 414735), (643, 188985), (645, 188399), (879, 138245), (1465, 82947), (1929, 62995), (3215, 37797), (4395, 27649), (9645, 12599)]