81264387

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{193}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 117331200

約数和(自身を除く): 36066813

約数列:

[1, 3, 19, 57, 83, 89, 193, 249, 267, 579, 1577, 1691, 3667, 4731, 5073, 7387, 11001, 16019, 17177, 22161, 48057, 51531, 140353, 304361, 326363, 421059, 913083, 979089, 1425691, 4277073, 27088129, 81264387]

約数ペア:

[(1, 81264387), (3, 27088129), (19, 4277073), (57, 1425691), (83, 979089), (89, 913083), (193, 421059), (249, 326363), (267, 304361), (579, 140353), (1577, 51531), (1691, 48057), (3667, 22161), (4731, 17177), (5073, 16019), (7387, 11001)]