81505701

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{7951}}^1$

素因数の和:8041

約数の個数: 24

約数和(自身を含む): 126532224

約数和(自身を除く): 45026523

約数列:

[1, 3, 9, 17, 51, 67, 153, 201, 603, 1139, 3417, 7951, 10251, 23853, 71559, 135167, 405501, 532717, 1216503, 1598151, 4794453, 9056189, 27168567, 81505701]

約数ペア:

[(1, 81505701), (3, 27168567), (9, 9056189), (17, 4794453), (51, 1598151), (67, 1216503), (153, 532717), (201, 405501), (603, 135167), (1139, 71559), (3417, 23853), (7951, 10251)]