27902485

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 37699200

約数和(自身を除く): 9796715

約数列:

[1, 5, 13, 43, 65, 67, 149, 215, 335, 559, 745, 871, 1937, 2795, 2881, 4355, 6407, 9685, 9983, 14405, 32035, 37453, 49915, 83291, 129779, 187265, 416455, 429269, 648895, 2146345, 5580497, 27902485]

約数ペア:

[(1, 27902485), (5, 5580497), (13, 2146345), (43, 648895), (65, 429269), (67, 416455), (149, 187265), (215, 129779), (335, 83291), (559, 49915), (745, 37453), (871, 32035), (1937, 14405), (2795, 9983), (2881, 9685), (4355, 6407)]