205439283

素因数分解:

$3^2\times 7^1\times {\mathrm{197}}^1\times {\mathrm{16553}}^1$

素因数の和:16763

約数の個数: 24

約数和(自身を含む): 340879968

約数和(自身を除く): 135440685

約数列:

[1, 3, 7, 9, 21, 63, 197, 591, 1379, 1773, 4137, 12411, 16553, 49659, 115871, 148977, 347613, 1042839, 3260941, 9782823, 22826587, 29348469, 68479761, 205439283]

約数ペア:

[(1, 205439283), (3, 68479761), (7, 29348469), (9, 22826587), (21, 9782823), (63, 3260941), (197, 1042839), (591, 347613), (1379, 148977), (1773, 115871), (4137, 49659), (12411, 16553)]