51217821

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{557}}^1\times {\mathrm{601}}^1$

素因数の和:1181

約数の個数: 24

約数和(自身を含む): 78604344

約数和(自身を除く): 27386523

約数列:

[1, 3, 9, 17, 51, 153, 557, 601, 1671, 1803, 5013, 5409, 9469, 10217, 28407, 30651, 85221, 91953, 334757, 1004271, 3012813, 5690869, 17072607, 51217821]

約数ペア:

[(1, 51217821), (3, 17072607), (9, 5690869), (17, 3012813), (51, 1004271), (153, 334757), (557, 91953), (601, 85221), (1671, 30651), (1803, 28407), (5013, 10217), (5409, 9469)]