30320451

素因数分解:

$3^2\times 7^1\times {\mathrm{241}}^1\times {\mathrm{1997}}^1$

素因数の和:2251

約数の個数: 24

約数和(自身を含む): 50285664

約数和(自身を除く): 19965213

約数列:

[1, 3, 7, 9, 21, 63, 241, 723, 1687, 1997, 2169, 5061, 5991, 13979, 15183, 17973, 41937, 125811, 481277, 1443831, 3368939, 4331493, 10106817, 30320451]

約数ペア:

[(1, 30320451), (3, 10106817), (7, 4331493), (9, 3368939), (21, 1443831), (63, 481277), (241, 125811), (723, 41937), (1687, 17973), (1997, 15183), (2169, 13979), (5061, 5991)]