13240557

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:538

約数の個数: 32

約数和(自身を含む): 21648000

約数和(自身を除く): 8407443

約数列:

[1, 3, 9, 11, 27, 33, 99, 109, 297, 327, 409, 981, 1199, 1227, 2943, 3597, 3681, 4499, 10791, 11043, 13497, 32373, 40491, 44581, 121473, 133743, 401229, 490391, 1203687, 1471173, 4413519, 13240557]

約数ペア:

[(1, 13240557), (3, 4413519), (9, 1471173), (11, 1203687), (27, 490391), (33, 401229), (99, 133743), (109, 121473), (297, 44581), (327, 40491), (409, 32373), (981, 13497), (1199, 11043), (1227, 10791), (2943, 4499), (3597, 3681)]