1313884089

素因数分解:

$3^2\times 7^2\times {\mathrm{2979329}}^1$

素因数の和:2979349

約数の個数: 18

約数和(自身を含む): 2207683530

約数和(自身を除く): 893799441

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 2979329, 8937987, 20855303, 26813961, 62565909, 145987121, 187697727, 437961363, 1313884089]

約数ペア:

[(1, 1313884089), (3, 437961363), (7, 187697727), (9, 145987121), (21, 62565909), (49, 26813961), (63, 20855303), (147, 8937987), (441, 2979329)]