205129545

素因数分解:

$3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:985

約数の個数: 32

約数和(自身を含む): 334592640

約数和(自身を除く): 129463095

約数列:

[1, 3, 5, 15, 67, 201, 335, 401, 509, 1005, 1203, 1527, 2005, 2545, 6015, 7635, 26867, 34103, 80601, 102309, 134335, 170515, 204109, 403005, 511545, 612327, 1020545, 3061635, 13675303, 41025909, 68376515, 205129545]

約数ペア:

[(1, 205129545), (3, 68376515), (5, 41025909), (15, 13675303), (67, 3061635), (201, 1020545), (335, 612327), (401, 511545), (509, 403005), (1005, 204109), (1203, 170515), (1527, 134335), (2005, 102309), (2545, 80601), (6015, 34103), (7635, 26867)]