2197539

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:347

約数の個数: 24

約数和(自身を含む): 3436992

約数和(自身を除く): 1239453

約数列:

[1, 3, 9, 17, 51, 53, 153, 159, 271, 477, 813, 901, 2439, 2703, 4607, 8109, 13821, 14363, 41463, 43089, 129267, 244171, 732513, 2197539]

約数ペア:

[(1, 2197539), (3, 732513), (9, 244171), (17, 129267), (51, 43089), (53, 41463), (153, 14363), (159, 13821), (271, 8109), (477, 4607), (813, 2703), (901, 2439)]