1640276739

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{457}}^1\times {\mathrm{23459}}^1$

素因数の和:23939

約数の個数: 24

約数和(自身を含む): 2514255120

約数和(自身を除く): 873978381

約数列:

[1, 3, 9, 17, 51, 153, 457, 1371, 4113, 7769, 23307, 23459, 69921, 70377, 211131, 398803, 1196409, 3589227, 10720763, 32162289, 96486867, 182252971, 546758913, 1640276739]

約数ペア:

[(1, 1640276739), (3, 546758913), (9, 182252971), (17, 96486867), (51, 32162289), (153, 10720763), (457, 3589227), (1371, 1196409), (4113, 398803), (7769, 211131), (23307, 70377), (23459, 69921)]