16778013

素因数分解:

$3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{191}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 26542080

約数和(自身を除く): 9764067

約数列:

[1, 3, 7, 21, 47, 89, 141, 191, 267, 329, 573, 623, 987, 1337, 1869, 4011, 4183, 8977, 12549, 16999, 26931, 29281, 50997, 62839, 87843, 118993, 188517, 356979, 798953, 2396859, 5592671, 16778013]

約数ペア:

[(1, 16778013), (3, 5592671), (7, 2396859), (21, 798953), (47, 356979), (89, 188517), (141, 118993), (191, 87843), (267, 62839), (329, 50997), (573, 29281), (623, 26931), (987, 16999), (1337, 12549), (1869, 8977), (4011, 4183)]