31130145

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{40693}}^1$

素因数の和:40721

約数の個数: 24

約数和(自身を含む): 57134376

約数和(自身を除く): 26004231

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 40693, 122079, 203465, 366237, 610395, 691781, 1831185, 2075343, 3458905, 6226029, 10376715, 31130145]

約数ペア:

[(1, 31130145), (3, 10376715), (5, 6226029), (9, 3458905), (15, 2075343), (17, 1831185), (45, 691781), (51, 610395), (85, 366237), (153, 203465), (255, 122079), (765, 40693)]