51388749

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{33391}}^1$

素因数の和:33422

約数の個数: 20

約数和(自身を含む): 80808640

約数和(自身を除く): 29419891

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 33391, 100173, 300519, 634429, 901557, 1903287, 2704671, 5709861, 17129583, 51388749]

約数ペア:

[(1, 51388749), (3, 17129583), (9, 5709861), (19, 2704671), (27, 1903287), (57, 901557), (81, 634429), (171, 300519), (513, 100173), (1539, 33391)]