28975653

素因数分解:

$3^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{19997}}^1$

素因数の和:20033

約数の個数: 24

約数和(自身を含む): 49915008

約数和(自身を除く): 20939355

約数列:

[1, 3, 7, 9, 21, 23, 63, 69, 161, 207, 483, 1449, 19997, 59991, 139979, 179973, 419937, 459931, 1259811, 1379793, 3219517, 4139379, 9658551, 28975653]

約数ペア:

[(1, 28975653), (3, 9658551), (7, 4139379), (9, 3219517), (21, 1379793), (23, 1259811), (63, 459931), (69, 419937), (161, 179973), (207, 139979), (483, 59991), (1449, 19997)]