16287788181

素因数分解:

$3^1\times 7^1\times {\mathrm{61}}^2\times {\mathrm{208441}}^1$

素因数の和:208573

約数の個数: 24

約数和(自身を含む): 25233154752

約数和(自身を除く): 8945366571

約数列:

[1, 3, 7, 21, 61, 183, 427, 1281, 3721, 11163, 26047, 78141, 208441, 625323, 1459087, 4377261, 12714901, 38144703, 89004307, 267012921, 775608961, 2326826883, 5429262727, 16287788181]

約数ペア:

[(1, 16287788181), (3, 5429262727), (7, 2326826883), (21, 775608961), (61, 267012921), (183, 89004307), (427, 38144703), (1281, 12714901), (3721, 4377261), (11163, 1459087), (26047, 625323), (78141, 208441)]