218362581

素因数分解:

$3^3\times {\mathrm{67}}^1\times {\mathrm{120709}}^1$

素因数の和:120785

約数の個数: 16

約数和(自身を含む): 328331200

約数和(自身を除く): 109968619

約数列:

[1, 3, 9, 27, 67, 201, 603, 1809, 120709, 362127, 1086381, 3259143, 8087503, 24262509, 72787527, 218362581]

約数ペア:

[(1, 218362581), (3, 72787527), (9, 24262509), (27, 8087503), (67, 3259143), (201, 1086381), (603, 362127), (1809, 120709)]