18081387

素因数分解:

$3^6\times {\mathrm{17}}^1\times {\mathrm{1459}}^1$

素因数の和:1494

約数の個数: 28

約数和(自身を含む): 28724040

約数和(自身を除く): 10642653

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 243, 459, 729, 1377, 1459, 4131, 4377, 12393, 13131, 24803, 39393, 74409, 118179, 223227, 354537, 669681, 1063611, 2009043, 6027129, 18081387]

約数ペア:

[(1, 18081387), (3, 6027129), (9, 2009043), (17, 1063611), (27, 669681), (51, 354537), (81, 223227), (153, 118179), (243, 74409), (459, 39393), (729, 24803), (1377, 13131), (1459, 12393), (4131, 4377)]