221407881

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{48779}}^1$

素因数の和:48888

約数の個数: 16

約数和(自身を含む): 316094400

約数和(自身を除く): 94686519

約数列:

[1, 3, 17, 51, 89, 267, 1513, 4539, 48779, 146337, 829243, 2487729, 4341331, 13023993, 73802627, 221407881]

約数ペア:

[(1, 221407881), (3, 73802627), (17, 13023993), (51, 4341331), (89, 2487729), (267, 829243), (1513, 146337), (4539, 48779)]