207948699

素因数分解:

$3^2\times 7^2\times {\mathrm{471539}}^1$

素因数の和:471559

約数の個数: 18

約数和(自身を含む): 349411140

約数和(自身を除く): 141462441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 471539, 1414617, 3300773, 4243851, 9902319, 23105411, 29706957, 69316233, 207948699]

約数ペア:

[(1, 207948699), (3, 69316233), (7, 29706957), (9, 23105411), (21, 9902319), (49, 4243851), (63, 3300773), (147, 1414617), (441, 471539)]