20150355

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4159}}^1$

素因数の和:4203

約数の個数: 32

約数和(自身を含む): 35942400

約数和(自身を除く): 15792045

約数列:

[1, 3, 5, 15, 17, 19, 51, 57, 85, 95, 255, 285, 323, 969, 1615, 4159, 4845, 12477, 20795, 62385, 70703, 79021, 212109, 237063, 353515, 395105, 1060545, 1185315, 1343357, 4030071, 6716785, 20150355]

約数ペア:

[(1, 20150355), (3, 6716785), (5, 4030071), (15, 1343357), (17, 1185315), (19, 1060545), (51, 395105), (57, 353515), (85, 237063), (95, 212109), (255, 79021), (285, 70703), (323, 62385), (969, 20795), (1615, 12477), (4159, 4845)]