128565735

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{1979}}^1$

素因数の和:2119

約数の個数: 32

約数和(自身を含む): 212129280

約数和(自身を除く): 83563545

約数列:

[1, 3, 5, 15, 61, 71, 183, 213, 305, 355, 915, 1065, 1979, 4331, 5937, 9895, 12993, 21655, 29685, 64965, 120719, 140509, 362157, 421527, 603595, 702545, 1810785, 2107635, 8571049, 25713147, 42855245, 128565735]

約数ペア:

[(1, 128565735), (3, 42855245), (5, 25713147), (15, 8571049), (61, 2107635), (71, 1810785), (183, 702545), (213, 603595), (305, 421527), (355, 362157), (915, 140509), (1065, 120719), (1979, 64965), (4331, 29685), (5937, 21655), (9895, 12993)]