205127715

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{25657}}^1$

素因数の和:25719

約数の個数: 32

約数和(自身を含む): 362085696

約数和(自身を除く): 156957981

約数列:

[1, 3, 5, 13, 15, 39, 41, 65, 123, 195, 205, 533, 615, 1599, 2665, 7995, 25657, 76971, 128285, 333541, 384855, 1000623, 1051937, 1667705, 3155811, 5003115, 5259685, 13675181, 15779055, 41025543, 68375905, 205127715]

約数ペア:

[(1, 205127715), (3, 68375905), (5, 41025543), (13, 15779055), (15, 13675181), (39, 5259685), (41, 5003115), (65, 3155811), (123, 1667705), (195, 1051937), (205, 1000623), (533, 384855), (615, 333541), (1599, 128285), (2665, 76971), (7995, 25657)]