1963647

素因数分解:

$3^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{439}}^1$

素因数の和:523

約数の個数: 24

約数和(自身を含む): 3294720

約数和(自身を除く): 1331073

約数列:

[1, 3, 7, 9, 21, 63, 71, 213, 439, 497, 639, 1317, 1491, 3073, 3951, 4473, 9219, 27657, 31169, 93507, 218183, 280521, 654549, 1963647]

約数ペア:

[(1, 1963647), (3, 654549), (7, 280521), (9, 218183), (21, 93507), (63, 31169), (71, 27657), (213, 9219), (439, 4473), (497, 3951), (639, 3073), (1317, 1491)]