28193403

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{347}}^1$

素因数の和:483

約数の個数: 32

約数和(自身を含む): 44499456

約数和(自身を除く): 16306053

約数列:

[1, 3, 7, 21, 53, 73, 159, 219, 347, 371, 511, 1041, 1113, 1533, 2429, 3869, 7287, 11607, 18391, 25331, 27083, 55173, 75993, 81249, 128737, 177317, 386211, 531951, 1342543, 4027629, 9397801, 28193403]

約数ペア:

[(1, 28193403), (3, 9397801), (7, 4027629), (21, 1342543), (53, 531951), (73, 386211), (159, 177317), (219, 128737), (347, 81249), (371, 75993), (511, 55173), (1041, 27083), (1113, 25331), (1533, 18391), (2429, 11607), (3869, 7287)]