51154821

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{773}}^1$

素因数の和:847

約数の個数: 40

約数和(自身を含む): 82415520

約数和(自身を除く): 31260699

約数列:

[1, 3, 9, 19, 27, 43, 57, 81, 129, 171, 387, 513, 773, 817, 1161, 1539, 2319, 2451, 3483, 6957, 7353, 14687, 20871, 22059, 33239, 44061, 62613, 66177, 99717, 132183, 299151, 396549, 631541, 897453, 1189647, 1894623, 2692359, 5683869, 17051607, 51154821]

約数ペア:

[(1, 51154821), (3, 17051607), (9, 5683869), (19, 2692359), (27, 1894623), (43, 1189647), (57, 897453), (81, 631541), (129, 396549), (171, 299151), (387, 132183), (513, 99717), (773, 66177), (817, 62613), (1161, 44061), (1539, 33239), (2319, 22059), (2451, 20871), (3483, 14687), (6957, 7353)]