25421409

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12781}}^1$

素因数の和:12817

約数の個数: 24

約数和(自身を含む): 41873832

約数和(自身を除く): 16452423

約数列:

[1, 3, 9, 13, 17, 39, 51, 117, 153, 221, 663, 1989, 12781, 38343, 115029, 166153, 217277, 498459, 651831, 1495377, 1955493, 2824601, 8473803, 25421409]

約数ペア:

[(1, 25421409), (3, 8473803), (9, 2824601), (13, 1955493), (17, 1495377), (39, 651831), (51, 498459), (117, 217277), (153, 166153), (221, 115029), (663, 38343), (1989, 12781)]