27090791

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:251

約数の個数: 32

約数和(自身を含む): 35054208

約数和(自身を除く): 7963417

約数列:

[1, 7, 13, 41, 53, 91, 137, 287, 371, 533, 689, 959, 1781, 2173, 3731, 4823, 5617, 7261, 12467, 15211, 28249, 39319, 50827, 73021, 94393, 197743, 297701, 511147, 660751, 2083907, 3870113, 27090791]

約数ペア:

[(1, 27090791), (7, 3870113), (13, 2083907), (41, 660751), (53, 511147), (91, 297701), (137, 197743), (287, 94393), (371, 73021), (533, 50827), (689, 39319), (959, 28249), (1781, 15211), (2173, 12467), (3731, 7261), (4823, 5617)]