81957242205

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2850191}}^1$

素因数の和:2850279

約数の個数: 40

約数和(自身を含む): 148985236224

約数和(自身を除く): 67027994019

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 1065, 1917, 3195, 5751, 9585, 28755, 2850191, 8550573, 14250955, 25651719, 42752865, 76955157, 128258595, 202363561, 230865471, 384775785, 607090683, 1011817805, 1154327355, 1821272049, 3035453415, 5463816147, 9106360245, 16391448441, 27319080735, 81957242205]

約数ペア:

[(1, 81957242205), (3, 27319080735), (5, 16391448441), (9, 9106360245), (15, 5463816147), (27, 3035453415), (45, 1821272049), (71, 1154327355), (81, 1011817805), (135, 607090683), (213, 384775785), (355, 230865471), (405, 202363561), (639, 128258595), (1065, 76955157), (1917, 42752865), (3195, 25651719), (5751, 14250955), (9585, 8550573), (28755, 2850191)]