72040347

素因数分解:

$3^4\times {\mathrm{23}}^1\times {\mathrm{38669}}^1$

素因数の和:38704

約数の個数: 20

約数和(自身を含む): 112297680

約数和(自身を除く): 40257333

約数列:

[1, 3, 9, 23, 27, 69, 81, 207, 621, 1863, 38669, 116007, 348021, 889387, 1044063, 2668161, 3132189, 8004483, 24013449, 72040347]

約数ペア:

[(1, 72040347), (3, 24013449), (9, 8004483), (23, 3132189), (27, 2668161), (69, 1044063), (81, 889387), (207, 348021), (621, 116007), (1863, 38669)]