31415677761

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{809}}^1\times {\mathrm{18787}}^1$

素因数の和:19665

約数の個数: 32

約数和(自身を含む): 46020078720

約数和(自身を除く): 14604400959

約数列:

[1, 3, 13, 39, 53, 159, 689, 809, 2067, 2427, 10517, 18787, 31551, 42877, 56361, 128631, 244231, 557401, 732693, 995711, 1672203, 2987133, 12944243, 15198683, 38832729, 45596049, 197582879, 592748637, 805530199, 2416590597, 10471892587, 31415677761]

約数ペア:

[(1, 31415677761), (3, 10471892587), (13, 2416590597), (39, 805530199), (53, 592748637), (159, 197582879), (689, 45596049), (809, 38832729), (2067, 15198683), (2427, 12944243), (10517, 2987133), (18787, 1672203), (31551, 995711), (42877, 732693), (56361, 557401), (128631, 244231)]