81707865

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{4513}}^1$

素因数の和:4609

約数の個数: 32

約数和(自身を含む): 140403456

約数和(自身を除く): 58695591

約数列:

[1, 3, 5, 15, 17, 51, 71, 85, 213, 255, 355, 1065, 1207, 3621, 4513, 6035, 13539, 18105, 22565, 67695, 76721, 230163, 320423, 383605, 961269, 1150815, 1602115, 4806345, 5447191, 16341573, 27235955, 81707865]

約数ペア:

[(1, 81707865), (3, 27235955), (5, 16341573), (15, 5447191), (17, 4806345), (51, 1602115), (71, 1150815), (85, 961269), (213, 383605), (255, 320423), (355, 230163), (1065, 76721), (1207, 67695), (3621, 22565), (4513, 18105), (6035, 13539)]