821532051

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{533809}}^1$

素因数の和:533840

約数の個数: 20

約数和(自身を含む): 1291820200

約数和(自身を除く): 470288149

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 533809, 1601427, 4804281, 10142371, 14412843, 30427113, 43238529, 91281339, 273844017, 821532051]

約数ペア:

[(1, 821532051), (3, 273844017), (9, 91281339), (19, 43238529), (27, 30427113), (57, 14412843), (81, 10142371), (171, 4804281), (513, 1601427), (1539, 533809)]