81259335

素因数分解:

$3^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 151320960

約数和(自身を除く): 70061625

約数列:

[1, 3, 5, 9, 15, 27, 41, 45, 53, 123, 135, 159, 205, 265, 277, 369, 477, 615, 795, 831, 1107, 1385, 1431, 1845, 2173, 2385, 2493, 4155, 5535, 6519, 7155, 7479, 10865, 11357, 12465, 14681, 19557, 32595, 34071, 37395, 44043, 56785, 58671, 73405, 97785, 102213, 132129, 170355, 220215, 293355, 306639, 396387, 511065, 601921, 660645, 1533195, 1805763, 1981935, 3009605, 5417289, 9028815, 16251867, 27086445, 81259335]

約数ペア:

[(1, 81259335), (3, 27086445), (5, 16251867), (9, 9028815), (15, 5417289), (27, 3009605), (41, 1981935), (45, 1805763), (53, 1533195), (123, 660645), (135, 601921), (159, 511065), (205, 396387), (265, 306639), (277, 293355), (369, 220215), (477, 170355), (615, 132129), (795, 102213), (831, 97785), (1107, 73405), (1385, 58671), (1431, 56785), (1845, 44043), (2173, 37395), (2385, 34071), (2493, 32595), (4155, 19557), (5535, 14681), (6519, 12465), (7155, 11357), (7479, 10865)]