38943945

素因数分解:

$3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:422

約数の個数: 48

約数和(自身を含む): 71165952

約数和(自身を除く): 32222007

約数列:

[1, 3, 5, 9, 15, 23, 45, 69, 115, 191, 197, 207, 345, 573, 591, 955, 985, 1035, 1719, 1773, 2865, 2955, 4393, 4531, 8595, 8865, 13179, 13593, 21965, 22655, 37627, 39537, 40779, 65895, 67965, 112881, 188135, 197685, 203895, 338643, 564405, 865421, 1693215, 2596263, 4327105, 7788789, 12981315, 38943945]

約数ペア:

[(1, 38943945), (3, 12981315), (5, 7788789), (9, 4327105), (15, 2596263), (23, 1693215), (45, 865421), (69, 564405), (115, 338643), (191, 203895), (197, 197685), (207, 188135), (345, 112881), (573, 67965), (591, 65895), (955, 40779), (985, 39537), (1035, 37627), (1719, 22655), (1773, 21965), (2865, 13593), (2955, 13179), (4393, 8865), (4531, 8595)]