16118421

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 32

約数和(自身を含む): 24718848

約数和(自身を除く): 8600427

約数列:

[1, 3, 11, 33, 37, 43, 111, 129, 307, 407, 473, 921, 1221, 1419, 1591, 3377, 4773, 10131, 11359, 13201, 17501, 34077, 39603, 52503, 124949, 145211, 374847, 435633, 488437, 1465311, 5372807, 16118421]

約数ペア:

[(1, 16118421), (3, 5372807), (11, 1465311), (33, 488437), (37, 435633), (43, 374847), (111, 145211), (129, 124949), (307, 52503), (407, 39603), (473, 34077), (921, 17501), (1221, 13201), (1419, 11359), (1591, 10131), (3377, 4773)]