28390809531

素因数分解:

$3^1\times 7^1\times {\mathrm{541}}^1\times {\mathrm{2498971}}^1$

素因数の和:2499522

約数の個数: 16

約数和(自身を含む): 43342170368

約数和(自身を除く): 14951360837

約数列:

[1, 3, 7, 21, 541, 1623, 3787, 11361, 2498971, 7496913, 17492797, 52478391, 1351943311, 4055829933, 9463603177, 28390809531]

約数ペア:

[(1, 28390809531), (3, 9463603177), (7, 4055829933), (21, 1351943311), (541, 52478391), (1623, 17492797), (3787, 7496913), (11361, 2498971)]