28428921

素因数分解:

$3^3\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{367}}^1$

素因数の和:546

約数の個数: 32

約数和(自身を含む): 44748800

約数和(自身を除く): 16319879

約数列:

[1, 3, 9, 19, 27, 57, 151, 171, 367, 453, 513, 1101, 1359, 2869, 3303, 4077, 6973, 8607, 9909, 20919, 25821, 55417, 62757, 77463, 166251, 188271, 498753, 1052923, 1496259, 3158769, 9476307, 28428921]

約数ペア:

[(1, 28428921), (3, 9476307), (9, 3158769), (19, 1496259), (27, 1052923), (57, 498753), (151, 188271), (171, 166251), (367, 77463), (453, 62757), (513, 55417), (1101, 25821), (1359, 20919), (2869, 9909), (3303, 8607), (4077, 6973)]