15438215

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{2179}}^1$

素因数の和:2306

約数の個数: 16

約数和(自身を含む): 20143200

約数和(自身を除く): 4704985

約数列:

[1, 5, 13, 65, 109, 545, 1417, 2179, 7085, 10895, 28327, 141635, 237511, 1187555, 3087643, 15438215]

約数ペア:

[(1, 15438215), (5, 3087643), (13, 1187555), (65, 237511), (109, 141635), (545, 28327), (1417, 10895), (2179, 7085)]