18172779

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{349}}^1\times {\mathrm{1021}}^1$

素因数の和:1390

約数の個数: 16

約数和(自身を含む): 25754400

約数和(自身を除く): 7581621

約数列:

[1, 3, 17, 51, 349, 1021, 1047, 3063, 5933, 17357, 17799, 52071, 356329, 1068987, 6057593, 18172779]

約数ペア:

[(1, 18172779), (3, 6057593), (17, 1068987), (51, 356329), (349, 52071), (1021, 17799), (1047, 17357), (3063, 5933)]