2821373475

素因数分解:

$3^1\times 5^2\times {\mathrm{281}}^1\times {\mathrm{133873}}^1$

素因数の和:134167

約数の個数: 24

約数和(自身を含む): 4681306032

約数和(自身を除く): 1859932557

約数列:

[1, 3, 5, 15, 25, 75, 281, 843, 1405, 4215, 7025, 21075, 133873, 401619, 669365, 2008095, 3346825, 10040475, 37618313, 112854939, 188091565, 564274695, 940457825, 2821373475]

約数ペア:

[(1, 2821373475), (3, 940457825), (5, 564274695), (15, 188091565), (25, 112854939), (75, 37618313), (281, 10040475), (843, 3346825), (1405, 2008095), (4215, 669365), (7025, 401619), (21075, 133873)]