74987889

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1217}}^1$

素因数の和:1309

約数の個数: 32

約数和(自身を含む): 112250880

約数和(自身を除く): 37262991

約数列:

[1, 3, 19, 23, 47, 57, 69, 141, 437, 893, 1081, 1217, 1311, 2679, 3243, 3651, 20539, 23123, 27991, 57199, 61617, 69369, 83973, 171597, 531829, 1086781, 1315577, 1595487, 3260343, 3946731, 24995963, 74987889]

約数ペア:

[(1, 74987889), (3, 24995963), (19, 3946731), (23, 3260343), (47, 1595487), (57, 1315577), (69, 1086781), (141, 531829), (437, 171597), (893, 83973), (1081, 69369), (1217, 61617), (1311, 57199), (2679, 27991), (3243, 23123), (3651, 20539)]