218366037

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{158581}}^1$

素因数の和:158610

約数の個数: 20

約数和(自身を含む): 345391596

約数和(自身を除く): 127025559

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 459, 1377, 158581, 475743, 1427229, 2695877, 4281687, 8087631, 12845061, 24262893, 72788679, 218366037]

約数ペア:

[(1, 218366037), (3, 72788679), (9, 24262893), (17, 12845061), (27, 8087631), (51, 4281687), (81, 2695877), (153, 1427229), (459, 475743), (1377, 158581)]