1299879

素因数分解:

$3^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:499

約数の個数: 24

約数和(自身を含む): 2196480

約数和(自身を除く): 896601

約数列:

[1, 3, 7, 9, 21, 47, 63, 141, 329, 423, 439, 987, 1317, 2961, 3073, 3951, 9219, 20633, 27657, 61899, 144431, 185697, 433293, 1299879]

約数ペア:

[(1, 1299879), (3, 433293), (7, 185697), (9, 144431), (21, 61899), (47, 27657), (63, 20633), (141, 9219), (329, 3951), (423, 3073), (439, 2961), (987, 1317)]