13409307

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{8713}}^1$

素因数の和:8744

約数の個数: 20

約数和(自身を含む): 21087880

約数和(自身を除く): 7678573

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 8713, 26139, 78417, 165547, 235251, 496641, 705753, 1489923, 4469769, 13409307]

約数ペア:

[(1, 13409307), (3, 4469769), (9, 1489923), (19, 705753), (27, 496641), (57, 235251), (81, 165547), (171, 78417), (513, 26139), (1539, 8713)]