871209

素因数分解:

$3^3\times {\mathrm{41}}^1\times {\mathrm{787}}^1$

素因数の和:837

約数の個数: 16

約数和(自身を含む): 1323840

約数和(自身を除く): 452631

約数列:

[1, 3, 9, 27, 41, 123, 369, 787, 1107, 2361, 7083, 21249, 32267, 96801, 290403, 871209]

約数ペア:

[(1, 871209), (3, 290403), (9, 96801), (27, 32267), (41, 21249), (123, 7083), (369, 2361), (787, 1107)]