8900205

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 14784768

約数和(自身を除く): 5884563

約数列:

[1, 3, 5, 15, 61, 71, 137, 183, 213, 305, 355, 411, 685, 915, 1065, 2055, 4331, 8357, 9727, 12993, 21655, 25071, 29181, 41785, 48635, 64965, 125355, 145905, 593347, 1780041, 2966735, 8900205]

約数ペア:

[(1, 8900205), (3, 2966735), (5, 1780041), (15, 593347), (61, 145905), (71, 125355), (137, 64965), (183, 48635), (213, 41785), (305, 29181), (355, 25071), (411, 21655), (685, 12993), (915, 9727), (1065, 8357), (2055, 4331)]