255291216561

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{497643697}}^1$

素因数の和:497643725

約数の個数: 16

約数和(自身を含む): 398114958400

約数和(自身を除く): 142823741839

約数列:

[1, 3, 9, 19, 27, 57, 171, 513, 497643697, 1492931091, 4478793273, 9455230243, 13436379819, 28365690729, 85097072187, 255291216561]

約数ペア:

[(1, 255291216561), (3, 85097072187), (9, 28365690729), (19, 13436379819), (27, 9455230243), (57, 4478793273), (171, 1492931091), (513, 497643697)]