81897915

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3623}}^1$

素因数の和:3779

約数の個数: 32

約数和(自身を含む): 144032256

約数和(自身を除く): 62134341

約数列:

[1, 3, 5, 11, 15, 33, 55, 137, 165, 411, 685, 1507, 2055, 3623, 4521, 7535, 10869, 18115, 22605, 39853, 54345, 119559, 199265, 496351, 597795, 1489053, 2481755, 5459861, 7445265, 16379583, 27299305, 81897915]

約数ペア:

[(1, 81897915), (3, 27299305), (5, 16379583), (11, 7445265), (15, 5459861), (33, 2481755), (55, 1489053), (137, 597795), (165, 496351), (411, 199265), (685, 119559), (1507, 54345), (2055, 39853), (3623, 22605), (4521, 18115), (7535, 10869)]