61312545

素因数分解:

$3^9\times 5^1\times 7^1\times {\mathrm{89}}^1$

素因数の和:128

約数の個数: 80

約数和(自身を含む): 127543680

約数和(自身を除く): 66231135

約数列:

[1, 3, 5, 7, 9, 15, 21, 27, 35, 45, 63, 81, 89, 105, 135, 189, 243, 267, 315, 405, 445, 567, 623, 729, 801, 945, 1215, 1335, 1701, 1869, 2187, 2403, 2835, 3115, 3645, 4005, 5103, 5607, 6561, 7209, 8505, 9345, 10935, 12015, 15309, 16821, 19683, 21627, 25515, 28035, 32805, 36045, 45927, 50463, 64881, 76545, 84105, 98415, 108135, 137781, 151389, 194643, 229635, 252315, 324405, 454167, 583929, 688905, 756945, 973215, 1362501, 1751787, 2270835, 2919645, 4087503, 6812505, 8758935, 12262509, 20437515, 61312545]

約数ペア:

[(1, 61312545), (3, 20437515), (5, 12262509), (7, 8758935), (9, 6812505), (15, 4087503), (21, 2919645), (27, 2270835), (35, 1751787), (45, 1362501), (63, 973215), (81, 756945), (89, 688905), (105, 583929), (135, 454167), (189, 324405), (243, 252315), (267, 229635), (315, 194643), (405, 151389), (445, 137781), (567, 108135), (623, 98415), (729, 84105), (801, 76545), (945, 64881), (1215, 50463), (1335, 45927), (1701, 36045), (1869, 32805), (2187, 28035), (2403, 25515), (2835, 21627), (3115, 19683), (3645, 16821), (4005, 15309), (5103, 12015), (5607, 10935), (6561, 9345), (7209, 8505)]