128658705

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{2729}}^1$

素因数の和:3193

約数の個数: 32

約数和(自身を含む): 235872000

約数和(自身を除く): 107213295

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 449, 1347, 2245, 2729, 3143, 6735, 8187, 9429, 13645, 15715, 19103, 40935, 47145, 57309, 95515, 286545, 1225321, 3675963, 6126605, 8577247, 18379815, 25731741, 42886235, 128658705]

約数ペア:

[(1, 128658705), (3, 42886235), (5, 25731741), (7, 18379815), (15, 8577247), (21, 6126605), (35, 3675963), (105, 1225321), (449, 286545), (1347, 95515), (2245, 57309), (2729, 47145), (3143, 40935), (6735, 19103), (8187, 15715), (9429, 13645)]