80664075

素因数分解:

$3^2\times 5^2\times {\mathrm{191}}^1\times {\mathrm{1877}}^1$

素因数の和:2084

約数の個数: 36

約数和(自身を含む): 145312128

約数和(自身を除く): 64648053

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 191, 225, 573, 955, 1719, 1877, 2865, 4775, 5631, 8595, 9385, 14325, 16893, 28155, 42975, 46925, 84465, 140775, 358507, 422325, 1075521, 1792535, 3226563, 5377605, 8962675, 16132815, 26888025, 80664075]

約数ペア:

[(1, 80664075), (3, 26888025), (5, 16132815), (9, 8962675), (15, 5377605), (25, 3226563), (45, 1792535), (75, 1075521), (191, 422325), (225, 358507), (573, 140775), (955, 84465), (1719, 46925), (1877, 42975), (2865, 28155), (4775, 16893), (5631, 14325), (8595, 9385)]