31718817

素因数分解:

$3^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{3929}}^1$

素因数の和:3974

約数の個数: 32

約数和(自身を含む): 52819200

約数和(自身を除く): 21100383

約数列:

[1, 3, 9, 13, 23, 27, 39, 69, 117, 207, 299, 351, 621, 897, 2691, 3929, 8073, 11787, 35361, 51077, 90367, 106083, 153231, 271101, 459693, 813303, 1174771, 1379079, 2439909, 3524313, 10572939, 31718817]

約数ペア:

[(1, 31718817), (3, 10572939), (9, 3524313), (13, 2439909), (23, 1379079), (27, 1174771), (39, 813303), (69, 459693), (117, 271101), (207, 153231), (299, 106083), (351, 90367), (621, 51077), (897, 35361), (2691, 11787), (3929, 8073)]