209843907

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{14503}}^1$

素因数の和:14579

約数の個数: 32

約数和(自身を含む): 350880768

約数和(自身を除く): 141036861

約数列:

[1, 3, 7, 13, 21, 39, 53, 91, 159, 273, 371, 689, 1113, 2067, 4823, 14469, 14503, 43509, 101521, 188539, 304563, 565617, 768659, 1319773, 2305977, 3959319, 5380613, 9992567, 16141839, 29977701, 69947969, 209843907]

約数ペア:

[(1, 209843907), (3, 69947969), (7, 29977701), (13, 16141839), (21, 9992567), (39, 5380613), (53, 3959319), (91, 2305977), (159, 1319773), (273, 768659), (371, 565617), (689, 304563), (1113, 188539), (2067, 101521), (4823, 43509), (14469, 14503)]