202720917

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{205391}}^1$

素因数の和:205448

約数の個数: 16

約数和(自身を含む): 315482112

約数和(自身を除く): 112761195

約数列:

[1, 3, 7, 21, 47, 141, 329, 987, 205391, 616173, 1437737, 4313211, 9653377, 28960131, 67573639, 202720917]

約数ペア:

[(1, 202720917), (3, 67573639), (7, 28960131), (21, 9653377), (47, 4313211), (141, 1437737), (329, 616173), (987, 205391)]