260019693

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{506861}}^1$

素因数の和:506889

約数の個数: 16

約数和(自身を含む): 405489600

約数和(自身を除く): 145469907

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 506861, 1520583, 4561749, 9630359, 13685247, 28891077, 86673231, 260019693]

約数ペア:

[(1, 260019693), (3, 86673231), (9, 28891077), (19, 13685247), (27, 9630359), (57, 4561749), (171, 1520583), (513, 506861)]