39187617

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1\times {\mathrm{257}}^1$

素因数の和:457

約数の個数: 32

約数和(自身を含む): 61523712

約数和(自身を除く): 22336095

約数列:

[1, 3, 7, 21, 53, 137, 159, 257, 371, 411, 771, 959, 1113, 1799, 2877, 5397, 7261, 13621, 21783, 35209, 40863, 50827, 95347, 105627, 152481, 246463, 286041, 739389, 1866077, 5598231, 13062539, 39187617]

約数ペア:

[(1, 39187617), (3, 13062539), (7, 5598231), (21, 1866077), (53, 739389), (137, 286041), (159, 246463), (257, 152481), (371, 105627), (411, 95347), (771, 50827), (959, 40863), (1113, 35209), (1799, 21783), (2877, 13621), (5397, 7261)]