80906445

素因数分解:

$3^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1867}}^1$

素因数の和:1991

約数の個数: 40

約数和(自身を含む): 146466144

約数和(自身を除く): 65559699

約数列:

[1, 3, 5, 9, 15, 27, 45, 81, 107, 135, 321, 405, 535, 963, 1605, 1867, 2889, 4815, 5601, 8667, 9335, 14445, 16803, 28005, 43335, 50409, 84015, 151227, 199769, 252045, 599307, 756135, 998845, 1797921, 2996535, 5393763, 8989605, 16181289, 26968815, 80906445]

約数ペア:

[(1, 80906445), (3, 26968815), (5, 16181289), (9, 8989605), (15, 5393763), (27, 2996535), (45, 1797921), (81, 998845), (107, 756135), (135, 599307), (321, 252045), (405, 199769), (535, 151227), (963, 84015), (1605, 50409), (1867, 43335), (2889, 28005), (4815, 16803), (5601, 14445), (8667, 9335)]