51133845

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^3\times {\mathrm{71}}^1$

素因数の和:143

約数の個数: 64

約数和(自身を含む): 100085760

約数和(自身を除く): 48951915

約数列:

[1, 3, 5, 7, 15, 19, 21, 35, 57, 71, 95, 105, 133, 213, 285, 355, 361, 399, 497, 665, 1065, 1083, 1349, 1491, 1805, 1995, 2485, 2527, 4047, 5415, 6745, 6859, 7455, 7581, 9443, 12635, 20235, 20577, 25631, 28329, 34295, 37905, 47215, 48013, 76893, 102885, 128155, 141645, 144039, 179417, 240065, 384465, 486989, 538251, 720195, 897085, 1460967, 2434945, 2691255, 3408923, 7304835, 10226769, 17044615, 51133845]

約数ペア:

[(1, 51133845), (3, 17044615), (5, 10226769), (7, 7304835), (15, 3408923), (19, 2691255), (21, 2434945), (35, 1460967), (57, 897085), (71, 720195), (95, 538251), (105, 486989), (133, 384465), (213, 240065), (285, 179417), (355, 144039), (361, 141645), (399, 128155), (497, 102885), (665, 76893), (1065, 48013), (1083, 47215), (1349, 37905), (1491, 34295), (1805, 28329), (1995, 25631), (2485, 20577), (2527, 20235), (4047, 12635), (5415, 9443), (6745, 7581), (6859, 7455)]