278849061

素因数分解:

$3^9\times {\mathrm{31}}^1\times {\mathrm{457}}^1$

素因数の和:515

約数の個数: 40

約数和(自身を含む): 432703744

約数和(自身を除く): 153854683

約数列:

[1, 3, 9, 27, 31, 81, 93, 243, 279, 457, 729, 837, 1371, 2187, 2511, 4113, 6561, 7533, 12339, 14167, 19683, 22599, 37017, 42501, 67797, 111051, 127503, 203391, 333153, 382509, 610173, 999459, 1147527, 2998377, 3442581, 8995131, 10327743, 30983229, 92949687, 278849061]

約数ペア:

[(1, 278849061), (3, 92949687), (9, 30983229), (27, 10327743), (31, 8995131), (81, 3442581), (93, 2998377), (243, 1147527), (279, 999459), (457, 610173), (729, 382509), (837, 333153), (1371, 203391), (2187, 127503), (2511, 111051), (4113, 67797), (6561, 42501), (7533, 37017), (12339, 22599), (14167, 19683)]