28821569013

素因数分解:

$3^3\times {\mathrm{643}}^1\times {\mathrm{1660133}}^1$

素因数の和:1660785

約数の個数: 16

約数和(自身を含む): 42765051840

約数和(自身を除く): 13943482827

約数列:

[1, 3, 9, 27, 643, 1929, 5787, 17361, 1660133, 4980399, 14941197, 44823591, 1067465519, 3202396557, 9607189671, 28821569013]

約数ペア:

[(1, 28821569013), (3, 9607189671), (9, 3202396557), (27, 1067465519), (643, 44823591), (1929, 14941197), (5787, 4980399), (17361, 1660133)]