211347135

素因数分解:

$3^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{21061}}^1$

素因数の和:21295

約数の個数: 24

約数和(自身を含む): 367995264

約数和(自身を除く): 156648129

約数列:

[1, 3, 5, 9, 15, 45, 223, 669, 1115, 2007, 3345, 10035, 21061, 63183, 105305, 189549, 315915, 947745, 4696603, 14089809, 23483015, 42269427, 70449045, 211347135]

約数ペア:

[(1, 211347135), (3, 70449045), (5, 42269427), (9, 23483015), (15, 14089809), (45, 4696603), (223, 947745), (669, 315915), (1115, 189549), (2007, 105305), (3345, 63183), (10035, 21061)]