320420037

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{2731}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 504961024

約数和(自身を除く): 184540987

約数列:

[1, 3, 7, 21, 37, 111, 151, 259, 453, 777, 1057, 2731, 3171, 5587, 8193, 16761, 19117, 39109, 57351, 101047, 117327, 303141, 412381, 707329, 1237143, 2121987, 2886667, 8660001, 15258097, 45774291, 106806679, 320420037]

約数ペア:

[(1, 320420037), (3, 106806679), (7, 45774291), (21, 15258097), (37, 8660001), (111, 2886667), (151, 2121987), (259, 1237143), (453, 707329), (777, 412381), (1057, 303141), (2731, 117327), (3171, 101047), (5587, 57351), (8193, 39109), (16761, 19117)]