81867090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{137}}^1\times {\mathrm{19919}}^1$

素因数の和:20066

約数の個数: 32

約数和(自身を含む): 197925120

約数和(自身を除く): 116058030

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 137, 274, 411, 685, 822, 1370, 2055, 4110, 19919, 39838, 59757, 99595, 119514, 199190, 298785, 597570, 2728903, 5457806, 8186709, 13644515, 16373418, 27289030, 40933545, 81867090]

約数ペア:

[(1, 81867090), (2, 40933545), (3, 27289030), (5, 16373418), (6, 13644515), (10, 8186709), (15, 5457806), (30, 2728903), (137, 597570), (274, 298785), (411, 199190), (685, 119514), (822, 99595), (1370, 59757), (2055, 39838), (4110, 19919)]