745239999

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{71983}}^1$

素因数の和:72039

約数の個数: 32

約数和(自身を含む): 1243883520

約数和(自身を除く): 498643521

約数列:

[1, 3, 7, 17, 21, 29, 51, 87, 119, 203, 357, 493, 609, 1479, 3451, 10353, 71983, 215949, 503881, 1223711, 1511643, 2087507, 3671133, 6262521, 8565977, 14612549, 25697931, 35487619, 43837647, 106462857, 248413333, 745239999]

約数ペア:

[(1, 745239999), (3, 248413333), (7, 106462857), (17, 43837647), (21, 35487619), (29, 25697931), (51, 14612549), (87, 8565977), (119, 6262521), (203, 3671133), (357, 2087507), (493, 1511643), (609, 1223711), (1479, 503881), (3451, 215949), (10353, 71983)]