80988135

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1\times {\mathrm{409}}^1$

素因数の和:767

約数の個数: 32

約数和(自身を含む): 133351680

約数和(自身を除く): 52363545

約数列:

[1, 3, 5, 15, 43, 129, 215, 307, 409, 645, 921, 1227, 1535, 2045, 4605, 6135, 13201, 17587, 39603, 52761, 66005, 87935, 125563, 198015, 263805, 376689, 627815, 1883445, 5399209, 16197627, 26996045, 80988135]

約数ペア:

[(1, 80988135), (3, 26996045), (5, 16197627), (15, 5399209), (43, 1883445), (129, 627815), (215, 376689), (307, 263805), (409, 198015), (645, 125563), (921, 87935), (1227, 66005), (1535, 52761), (2045, 39603), (4605, 17587), (6135, 13201)]