42400113

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{277}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 66933504

約数和(自身を除く): 24533391

約数列:

[1, 3, 7, 21, 37, 111, 197, 259, 277, 591, 777, 831, 1379, 1939, 4137, 5817, 7289, 10249, 21867, 30747, 51023, 54569, 71743, 153069, 163707, 215229, 381983, 1145949, 2019053, 6057159, 14133371, 42400113]

約数ペア:

[(1, 42400113), (3, 14133371), (7, 6057159), (21, 2019053), (37, 1145949), (111, 381983), (197, 215229), (259, 163707), (277, 153069), (591, 71743), (777, 54569), (831, 51023), (1379, 30747), (1939, 21867), (4137, 10249), (5817, 7289)]