25205651709

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{545329}}^1$

素因数の和:545441

約数の個数: 32

約数和(自身を含む): 40206090240

約数和(自身を除く): 15000438531

約数列:

[1, 3, 7, 21, 31, 71, 93, 213, 217, 497, 651, 1491, 2201, 6603, 15407, 46221, 545329, 1635987, 3817303, 11451909, 16905199, 38718359, 50715597, 116155077, 118336393, 271028513, 355009179, 813085539, 1200269129, 3600807387, 8401883903, 25205651709]

約数ペア:

[(1, 25205651709), (3, 8401883903), (7, 3600807387), (21, 1200269129), (31, 813085539), (71, 355009179), (93, 271028513), (213, 118336393), (217, 116155077), (497, 50715597), (651, 38718359), (1491, 16905199), (2201, 11451909), (6603, 3817303), (15407, 1635987), (46221, 545329)]