31580919

素因数分解:

$3^2\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{631}}^1$

素因数の和:787

約数の個数: 24

約数和(自身を含む): 46929792

約数和(自身を除く): 15348873

約数列:

[1, 3, 9, 67, 83, 201, 249, 603, 631, 747, 1893, 5561, 5679, 16683, 42277, 50049, 52373, 126831, 157119, 380493, 471357, 3508991, 10526973, 31580919]

約数ペア:

[(1, 31580919), (3, 10526973), (9, 3508991), (67, 471357), (83, 380493), (201, 157119), (249, 126831), (603, 52373), (631, 50049), (747, 42277), (1893, 16683), (5561, 5679)]