217871133

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{115459}}^1$

素因数の和:115516

約数の個数: 16

約数和(自身を含む): 315898560

約数和(自身を除く): 98027427

約数列:

[1, 3, 17, 37, 51, 111, 629, 1887, 115459, 346377, 1962803, 4271983, 5888409, 12815949, 72623711, 217871133]

約数ペア:

[(1, 217871133), (3, 72623711), (17, 12815949), (37, 5888409), (51, 4271983), (111, 1962803), (629, 346377), (1887, 115459)]