28438965

素因数分解:

$3^3\times 5^1\times {\mathrm{210659}}^1$

素因数の和:210673

約数の個数: 16

約数和(自身を含む): 50558400

約数和(自身を除く): 22119435

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 210659, 631977, 1053295, 1895931, 3159885, 5687793, 9479655, 28438965]

約数ペア:

[(1, 28438965), (3, 9479655), (5, 5687793), (9, 3159885), (15, 1895931), (27, 1053295), (45, 631977), (135, 210659)]