15868287

素因数分解:

$3^2\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1307}}^1$

素因数の和:1403

約数の個数: 24

約数和(自身を含む): 24485760

約数和(自身を除く): 8617473

約数列:

[1, 3, 9, 19, 57, 71, 171, 213, 639, 1307, 1349, 3921, 4047, 11763, 12141, 24833, 74499, 92797, 223497, 278391, 835173, 1763143, 5289429, 15868287]

約数ペア:

[(1, 15868287), (3, 5289429), (9, 1763143), (19, 835173), (57, 278391), (71, 223497), (171, 92797), (213, 74499), (639, 24833), (1307, 12141), (1349, 11763), (3921, 4047)]