38918397

素因数分解:

$3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{131}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 63562752

約数和(自身を除く): 24644355

約数列:

[1, 3, 7, 21, 43, 47, 49, 129, 131, 141, 147, 301, 329, 393, 903, 917, 987, 2021, 2107, 2303, 2751, 5633, 6063, 6157, 6321, 6419, 6909, 14147, 16899, 18471, 19257, 39431, 42441, 43099, 99029, 118293, 129297, 264751, 276017, 297087, 301693, 794253, 828051, 905079, 1853257, 5559771, 12972799, 38918397]

約数ペア:

[(1, 38918397), (3, 12972799), (7, 5559771), (21, 1853257), (43, 905079), (47, 828051), (49, 794253), (129, 301693), (131, 297087), (141, 276017), (147, 264751), (301, 129297), (329, 118293), (393, 99029), (903, 43099), (917, 42441), (987, 39431), (2021, 19257), (2107, 18471), (2303, 16899), (2751, 14147), (5633, 6909), (6063, 6419), (6157, 6321)]