2121255

素因数分解:

$3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{827}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 3974400

約数和(自身を除く): 1853145

約数列:

[1, 3, 5, 9, 15, 19, 27, 45, 57, 95, 135, 171, 285, 513, 827, 855, 2481, 2565, 4135, 7443, 12405, 15713, 22329, 37215, 47139, 78565, 111645, 141417, 235695, 424251, 707085, 2121255]

約数ペア:

[(1, 2121255), (3, 707085), (5, 424251), (9, 235695), (15, 141417), (19, 111645), (27, 78565), (45, 47139), (57, 37215), (95, 22329), (135, 15713), (171, 12405), (285, 7443), (513, 4135), (827, 2565), (855, 2481)]