9947679

素因数分解:

$3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{739}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 15202560

約数和(自身を除く): 5254881

約数列:

[1, 3, 7, 21, 641, 739, 1923, 2217, 4487, 5173, 13461, 15519, 473699, 1421097, 3315893, 9947679]

約数ペア:

[(1, 9947679), (3, 3315893), (7, 1421097), (21, 473699), (641, 15519), (739, 13461), (1923, 5173), (2217, 4487)]