80176887

素因数分解:

$3^2\times 7^2\times {\mathrm{281}}^1\times {\mathrm{647}}^1$

素因数の和:948

約数の個数: 36

約数和(自身を含む): 135407376

約数和(自身を除く): 55230489

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 281, 441, 647, 843, 1941, 1967, 2529, 4529, 5823, 5901, 13587, 13769, 17703, 31703, 40761, 41307, 95109, 123921, 181807, 285327, 545421, 1272649, 1636263, 3817947, 8908543, 11453841, 26725629, 80176887]

約数ペア:

[(1, 80176887), (3, 26725629), (7, 11453841), (9, 8908543), (21, 3817947), (49, 1636263), (63, 1272649), (147, 545421), (281, 285327), (441, 181807), (647, 123921), (843, 95109), (1941, 41307), (1967, 40761), (2529, 31703), (4529, 17703), (5823, 13769), (5901, 13587)]