31043259

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{101}}^1$

素因数の和:228

約数の個数: 48

約数和(自身を含む): 50791104

約数和(自身を除く): 19747845

約数列:

[1, 3, 9, 13, 37, 39, 71, 101, 111, 117, 213, 303, 333, 481, 639, 909, 923, 1313, 1443, 2627, 2769, 3737, 3939, 4329, 7171, 7881, 8307, 11211, 11817, 21513, 23643, 33633, 34151, 48581, 64539, 93223, 102453, 145743, 265327, 279669, 307359, 437229, 795981, 839007, 2387943, 3449251, 10347753, 31043259]

約数ペア:

[(1, 31043259), (3, 10347753), (9, 3449251), (13, 2387943), (37, 839007), (39, 795981), (71, 437229), (101, 307359), (111, 279669), (117, 265327), (213, 145743), (303, 102453), (333, 93223), (481, 64539), (639, 48581), (909, 34151), (923, 33633), (1313, 23643), (1443, 21513), (2627, 11817), (2769, 11211), (3737, 8307), (3939, 7881), (4329, 7171)]