201906747

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{45139}}^1$

素因数の和:45223

約数の個数: 24

約数和(自身を含む): 338008320

約数和(自身を除く): 136101573

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 497, 639, 1491, 4473, 45139, 135417, 315973, 406251, 947919, 2843757, 3204869, 9614607, 22434083, 28843821, 67302249, 201906747]

約数ペア:

[(1, 201906747), (3, 67302249), (7, 28843821), (9, 22434083), (21, 9614607), (63, 3204869), (71, 2843757), (213, 947919), (497, 406251), (639, 315973), (1491, 135417), (4473, 45139)]