51247809

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{37217}}^1$

素因数の和:37246

約数の個数: 20

約数和(自身を含む): 81060804

約数和(自身を除く): 29812995

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 37217, 111651, 334953, 632689, 1004859, 1898067, 3014577, 5694201, 17082603, 51247809]

約数ペア:

[(1, 51247809), (3, 17082603), (9, 5694201), (17, 3014577), (27, 1898067), (51, 1004859), (81, 632689), (153, 334953), (459, 111651), (1377, 37217)]