199543617

素因数分解:

$3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{243643}}^1$

素因数の和:243669

約数の個数: 24

約数和(自身を含む): 354745664

約数和(自身を除く): 155202047

約数列:

[1, 3, 7, 9, 13, 21, 39, 63, 91, 117, 273, 819, 243643, 730929, 1705501, 2192787, 3167359, 5116503, 9502077, 15349509, 22171513, 28506231, 66514539, 199543617]

約数ペア:

[(1, 199543617), (3, 66514539), (7, 28506231), (9, 22171513), (13, 15349509), (21, 9502077), (39, 5116503), (63, 3167359), (91, 2192787), (117, 1705501), (273, 730929), (819, 243643)]