15640135

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{811}}^1$

素因数の和:871

約数の個数: 32

約数和(自身を含む): 23385600

約数和(自身を除く): 7745465

約数列:

[1, 5, 7, 19, 29, 35, 95, 133, 145, 203, 551, 665, 811, 1015, 2755, 3857, 4055, 5677, 15409, 19285, 23519, 28385, 77045, 107863, 117595, 164633, 446861, 539315, 823165, 2234305, 3128027, 15640135]

約数ペア:

[(1, 15640135), (5, 3128027), (7, 2234305), (19, 823165), (29, 539315), (35, 446861), (95, 164633), (133, 117595), (145, 107863), (203, 77045), (551, 28385), (665, 23519), (811, 19285), (1015, 15409), (2755, 5677), (3857, 4055)]