221538753

素因数分解:

$3^3\times {\mathrm{101}}^1\times {\mathrm{81239}}^1$

素因数の和:81349

約数の個数: 16

約数和(自身を含む): 331459200

約数和(自身を除く): 109920447

約数列:

[1, 3, 9, 27, 101, 303, 909, 2727, 81239, 243717, 731151, 2193453, 8205139, 24615417, 73846251, 221538753]

約数ペア:

[(1, 221538753), (3, 73846251), (9, 24615417), (27, 8205139), (101, 2193453), (303, 731151), (909, 243717), (2727, 81239)]