28704315

素因数分解:

$3^1\times 5^1\times {\mathrm{991}}^1\times {\mathrm{1931}}^1$

素因数の和:2930

約数の個数: 16

約数和(自身を含む): 45997056

約数和(自身を除く): 17292741

約数列:

[1, 3, 5, 15, 991, 1931, 2973, 4955, 5793, 9655, 14865, 28965, 1913621, 5740863, 9568105, 28704315]

約数ペア:

[(1, 28704315), (3, 9568105), (5, 5740863), (15, 1913621), (991, 28965), (1931, 14865), (2973, 9655), (4955, 5793)]