81084555

素因数分解:

$3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 144693120

約数和(自身を除く): 63608565

約数列:

[1, 3, 5, 9, 15, 45, 61, 109, 183, 271, 305, 327, 545, 549, 813, 915, 981, 1355, 1635, 2439, 2745, 4065, 4905, 6649, 12195, 16531, 19947, 29539, 33245, 49593, 59841, 82655, 88617, 99735, 147695, 148779, 247965, 265851, 299205, 443085, 743895, 1329255, 1801879, 5405637, 9009395, 16216911, 27028185, 81084555]

約数ペア:

[(1, 81084555), (3, 27028185), (5, 16216911), (9, 9009395), (15, 5405637), (45, 1801879), (61, 1329255), (109, 743895), (183, 443085), (271, 299205), (305, 265851), (327, 247965), (545, 148779), (549, 147695), (813, 99735), (915, 88617), (981, 82655), (1355, 59841), (1635, 49593), (2439, 33245), (2745, 29539), (4065, 19947), (4905, 16531), (6649, 12195)]