57138249

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{487}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 90198016

約数和(自身を除く): 33059767

約数列:

[1, 3, 7, 21, 37, 111, 151, 259, 453, 487, 777, 1057, 1461, 3171, 3409, 5587, 10227, 16761, 18019, 39109, 54057, 73537, 117327, 126133, 220611, 378399, 514759, 1544277, 2720869, 8162607, 19046083, 57138249]

約数ペア:

[(1, 57138249), (3, 19046083), (7, 8162607), (21, 2720869), (37, 1544277), (111, 514759), (151, 378399), (259, 220611), (453, 126133), (487, 117327), (777, 73537), (1057, 54057), (1461, 39109), (3171, 18019), (3409, 16761), (5587, 10227)]