861688149

素因数分解:

$3^1\times 7^1\times {\mathrm{1031}}^1\times {\mathrm{39799}}^1$

素因数の和:40840

約数の個数: 16

約数和(自身を含む): 1314355200

約数和(自身を除く): 452667051

約数列:

[1, 3, 7, 21, 1031, 3093, 7217, 21651, 39799, 119397, 278593, 835779, 41032769, 123098307, 287229383, 861688149]

約数ペア:

[(1, 861688149), (3, 287229383), (7, 123098307), (21, 41032769), (1031, 835779), (3093, 278593), (7217, 119397), (21651, 39799)]