71254617

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1669}}^1$

素因数の和:1805

約数の個数: 32

約数和(自身を含む): 115430400

約数和(自身を除く): 44175783

約数列:

[1, 3, 7, 19, 21, 57, 107, 133, 321, 399, 749, 1669, 2033, 2247, 5007, 6099, 11683, 14231, 31711, 35049, 42693, 95133, 178583, 221977, 535749, 665931, 1250081, 3393077, 3750243, 10179231, 23751539, 71254617]

約数ペア:

[(1, 71254617), (3, 23751539), (7, 10179231), (19, 3750243), (21, 3393077), (57, 1250081), (107, 665931), (133, 535749), (321, 221977), (399, 178583), (749, 95133), (1669, 42693), (2033, 35049), (2247, 31711), (5007, 14231), (6099, 11683)]