212565

素因数分解:

$3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:428

約数の個数: 16

約数和(自身を含む): 350208

約数和(自身を除く): 137643

約数列:

[1, 3, 5, 15, 37, 111, 185, 383, 555, 1149, 1915, 5745, 14171, 42513, 70855, 212565]

約数ペア:

[(1, 212565), (3, 70855), (5, 42513), (15, 14171), (37, 5745), (111, 1915), (185, 1149), (383, 555)]