28980285

素因数分解:

$3^1\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{1399}}^1$

素因数の和:2788

約数の個数: 16

約数和(自身を含む): 46435200

約数和(自身を除く): 17454915

約数列:

[1, 3, 5, 15, 1381, 1399, 4143, 4197, 6905, 6995, 20715, 20985, 1932019, 5796057, 9660095, 28980285]

約数ペア:

[(1, 28980285), (3, 9660095), (5, 5796057), (15, 1932019), (1381, 20985), (1399, 20715), (4143, 6995), (4197, 6905)]