28976895

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{27997}}^1$

素因数の和:28031

約数の個数: 24

約数和(自身を含む): 52412256

約数和(自身を除く): 23435361

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 207, 345, 1035, 27997, 83991, 139985, 251973, 419955, 643931, 1259865, 1931793, 3219655, 5795379, 9658965, 28976895]

約数ペア:

[(1, 28976895), (3, 9658965), (5, 5795379), (9, 3219655), (15, 1931793), (23, 1259865), (45, 643931), (69, 419955), (115, 251973), (207, 139985), (345, 83991), (1035, 27997)]