28437843

素因数分解:

$3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{19073}}^1$

素因数の和:19154

約数の個数: 16

約数和(自身を含む): 43946496

約数和(自身を除く): 15508653

約数列:

[1, 3, 7, 21, 71, 213, 497, 1491, 19073, 57219, 133511, 400533, 1354183, 4062549, 9479281, 28437843]

約数ペア:

[(1, 28437843), (3, 9479281), (7, 4062549), (21, 1354183), (71, 400533), (213, 133511), (497, 57219), (1491, 19073)]