81411715

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{2053}}^1$

素因数の和:2179

約数の個数: 32

約数和(自身を含む): 123042816

約数和(自身を除く): 41631101

約数列:

[1, 5, 7, 11, 35, 55, 77, 103, 385, 515, 721, 1133, 2053, 3605, 5665, 7931, 10265, 14371, 22583, 39655, 71855, 112915, 158081, 211459, 790405, 1057295, 1480213, 2326049, 7401065, 11630245, 16282343, 81411715]

約数ペア:

[(1, 81411715), (5, 16282343), (7, 11630245), (11, 7401065), (35, 2326049), (55, 1480213), (77, 1057295), (103, 790405), (385, 211459), (515, 158081), (721, 112915), (1133, 71855), (2053, 39655), (3605, 22583), (5665, 14371), (7931, 10265)]