777612945

素因数分解:

$3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{389}}^1\times {\mathrm{1877}}^1$

素因数の和:2345

約数の個数: 32

約数和(自身を含む): 1265621760

約数和(自身を除く): 488008815

約数列:

[1, 3, 5, 15, 71, 213, 355, 389, 1065, 1167, 1877, 1945, 5631, 5835, 9385, 27619, 28155, 82857, 133267, 138095, 399801, 414285, 666335, 730153, 1999005, 2190459, 3650765, 10952295, 51840863, 155522589, 259204315, 777612945]

約数ペア:

[(1, 777612945), (3, 259204315), (5, 155522589), (15, 51840863), (71, 10952295), (213, 3650765), (355, 2190459), (389, 1999005), (1065, 730153), (1167, 666335), (1877, 414285), (1945, 399801), (5631, 138095), (5835, 133267), (9385, 82857), (27619, 28155)]