81021652911

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{201581}}^1$

素因数の和:201712

約数の個数: 48

約数和(自身を含む): 129057634368

約数和(自身を除く): 48035981457

約数列:

[1, 3, 9, 17, 37, 51, 71, 111, 153, 213, 333, 629, 639, 1207, 1887, 2627, 3621, 5661, 7881, 10863, 23643, 44659, 133977, 201581, 401931, 604743, 1814229, 3426877, 7458497, 10280631, 14312251, 22375491, 30841893, 42936753, 67126473, 126794449, 128810259, 243308267, 380383347, 529553287, 729924801, 1141150041, 1588659861, 2189774403, 4765979583, 9002405879, 27007217637, 81021652911]

約数ペア:

[(1, 81021652911), (3, 27007217637), (9, 9002405879), (17, 4765979583), (37, 2189774403), (51, 1588659861), (71, 1141150041), (111, 729924801), (153, 529553287), (213, 380383347), (333, 243308267), (629, 128810259), (639, 126794449), (1207, 67126473), (1887, 42936753), (2627, 30841893), (3621, 22375491), (5661, 14312251), (7881, 10280631), (10863, 7458497), (23643, 3426877), (44659, 1814229), (133977, 604743), (201581, 401931)]