221337393

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{20219}}^1$

素因数の和:20352

約数の個数: 16

約数和(自身を含む): 305726400

約数和(自身を除く): 84389007

約数列:

[1, 3, 41, 89, 123, 267, 3649, 10947, 20219, 60657, 828979, 1799491, 2486937, 5398473, 73779131, 221337393]

約数ペア:

[(1, 221337393), (3, 73779131), (41, 5398473), (89, 2486937), (123, 1799491), (267, 828979), (3649, 60657), (10947, 20219)]