31247739

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{619}}^1$

素因数の和:775

約数の個数: 24

約数和(自身を含む): 46425600

約数和(自身を除く): 15177861

約数列:

[1, 3, 9, 71, 79, 213, 237, 619, 639, 711, 1857, 5571, 5609, 16827, 43949, 48901, 50481, 131847, 146703, 395541, 440109, 3471971, 10415913, 31247739]

約数ペア:

[(1, 31247739), (3, 10415913), (9, 3471971), (71, 440109), (79, 395541), (213, 146703), (237, 131847), (619, 50481), (639, 48901), (711, 43949), (1857, 16827), (5571, 5609)]