81354675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1543}}^1$

素因数の和:1612

約数の個数: 48

約数和(自身を含む): 145506560

約数和(自身を除く): 64151885

約数列:

[1, 3, 5, 15, 19, 25, 37, 57, 75, 95, 111, 185, 285, 475, 555, 703, 925, 1425, 1543, 2109, 2775, 3515, 4629, 7715, 10545, 17575, 23145, 29317, 38575, 52725, 57091, 87951, 115725, 146585, 171273, 285455, 439755, 732925, 856365, 1084729, 1427275, 2198775, 3254187, 4281825, 5423645, 16270935, 27118225, 81354675]

約数ペア:

[(1, 81354675), (3, 27118225), (5, 16270935), (15, 5423645), (19, 4281825), (25, 3254187), (37, 2198775), (57, 1427275), (75, 1084729), (95, 856365), (111, 732925), (185, 439755), (285, 285455), (475, 171273), (555, 146585), (703, 115725), (925, 87951), (1425, 57091), (1543, 52725), (2109, 38575), (2775, 29317), (3515, 23145), (4629, 17575), (7715, 10545)]