28703913

素因数分解:

$3^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{23167}}^1$

素因数の和:23236

約数の個数: 16

約数和(自身を含む): 44482560

約数和(自身を除く): 15778647

約数列:

[1, 3, 7, 21, 59, 177, 413, 1239, 23167, 69501, 162169, 486507, 1366853, 4100559, 9567971, 28703913]

約数ペア:

[(1, 28703913), (3, 9567971), (7, 4100559), (21, 1366853), (59, 486507), (177, 162169), (413, 69501), (1239, 23167)]